80600000

素因数分解:

$2^6\times 5^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:81

約数の個数: 168

約数和(自身を含む): 222235776

約数和(自身を除く): 141635776

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 32, 40, 50, 52, 62, 64, 65, 80, 100, 104, 124, 125, 130, 155, 160, 200, 208, 248, 250, 260, 310, 320, 325, 400, 403, 416, 496, 500, 520, 620, 625, 650, 775, 800, 806, 832, 992, 1000, 1040, 1240, 1250, 1300, 1550, 1600, 1612, 1625, 1984, 2000, 2015, 2080, 2480, 2500, 2600, 3100, 3125, 3224, 3250, 3875, 4000, 4030, 4160, 4960, 5000, 5200, 6200, 6250, 6448, 6500, 7750, 8000, 8060, 8125, 9920, 10000, 10075, 10400, 12400, 12500, 12896, 13000, 15500, 16120, 16250, 19375, 20000, 20150, 20800, 24800, 25000, 25792, 26000, 31000, 32240, 32500, 38750, 40000, 40300, 40625, 49600, 50000, 50375, 52000, 62000, 64480, 65000, 77500, 80600, 81250, 96875, 100000, 100750, 104000, 124000, 128960, 130000, 155000, 161200, 162500, 193750, 200000, 201500, 248000, 251875, 260000, 310000, 322400, 325000, 387500, 403000, 503750, 520000, 620000, 644800, 650000, 775000, 806000, 1007500, 1240000, 1259375, 1300000, 1550000, 1612000, 2015000, 2518750, 2600000, 3100000, 3224000, 4030000, 5037500, 6200000, 8060000, 10075000, 16120000, 20150000, 40300000, 80600000]

約数ペア:

[(1, 80600000), (2, 40300000), (4, 20150000), (5, 16120000), (8, 10075000), (10, 8060000), (13, 6200000), (16, 5037500), (20, 4030000), (25, 3224000), (26, 3100000), (31, 2600000), (32, 2518750), (40, 2015000), (50, 1612000), (52, 1550000), (62, 1300000), (64, 1259375), (65, 1240000), (80, 1007500), (100, 806000), (104, 775000), (124, 650000), (125, 644800), (130, 620000), (155, 520000), (160, 503750), (200, 403000), (208, 387500), (248, 325000), (250, 322400), (260, 310000), (310, 260000), (320, 251875), (325, 248000), (400, 201500), (403, 200000), (416, 193750), (496, 162500), (500, 161200), (520, 155000), (620, 130000), (625, 128960), (650, 124000), (775, 104000), (800, 100750), (806, 100000), (832, 96875), (992, 81250), (1000, 80600), (1040, 77500), (1240, 65000), (1250, 64480), (1300, 62000), (1550, 52000), (1600, 50375), (1612, 50000), (1625, 49600), (1984, 40625), (2000, 40300), (2015, 40000), (2080, 38750), (2480, 32500), (2500, 32240), (2600, 31000), (3100, 26000), (3125, 25792), (3224, 25000), (3250, 24800), (3875, 20800), (4000, 20150), (4030, 20000), (4160, 19375), (4960, 16250), (5000, 16120), (5200, 15500), (6200, 13000), (6250, 12896), (6448, 12500), (6500, 12400), (7750, 10400), (8000, 10075), (8060, 10000), (8125, 9920)]