100750000

素因数分解:

$2^4\times 5^6\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:82

約数の個数: 140

約数和(自身を含む): 271246528

約数和(自身を除く): 170496528

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 40, 50, 52, 62, 65, 80, 100, 104, 124, 125, 130, 155, 200, 208, 248, 250, 260, 310, 325, 400, 403, 496, 500, 520, 620, 625, 650, 775, 806, 1000, 1040, 1240, 1250, 1300, 1550, 1612, 1625, 2000, 2015, 2480, 2500, 2600, 3100, 3125, 3224, 3250, 3875, 4030, 5000, 5200, 6200, 6250, 6448, 6500, 7750, 8060, 8125, 10000, 10075, 12400, 12500, 13000, 15500, 15625, 16120, 16250, 19375, 20150, 25000, 26000, 31000, 31250, 32240, 32500, 38750, 40300, 40625, 50000, 50375, 62000, 62500, 65000, 77500, 80600, 81250, 96875, 100750, 125000, 130000, 155000, 161200, 162500, 193750, 201500, 203125, 250000, 251875, 310000, 325000, 387500, 403000, 406250, 484375, 503750, 650000, 775000, 806000, 812500, 968750, 1007500, 1259375, 1550000, 1625000, 1937500, 2015000, 2518750, 3250000, 3875000, 4030000, 5037500, 6296875, 7750000, 10075000, 12593750, 20150000, 25187500, 50375000, 100750000]

約数ペア:

[(1, 100750000), (2, 50375000), (4, 25187500), (5, 20150000), (8, 12593750), (10, 10075000), (13, 7750000), (16, 6296875), (20, 5037500), (25, 4030000), (26, 3875000), (31, 3250000), (40, 2518750), (50, 2015000), (52, 1937500), (62, 1625000), (65, 1550000), (80, 1259375), (100, 1007500), (104, 968750), (124, 812500), (125, 806000), (130, 775000), (155, 650000), (200, 503750), (208, 484375), (248, 406250), (250, 403000), (260, 387500), (310, 325000), (325, 310000), (400, 251875), (403, 250000), (496, 203125), (500, 201500), (520, 193750), (620, 162500), (625, 161200), (650, 155000), (775, 130000), (806, 125000), (1000, 100750), (1040, 96875), (1240, 81250), (1250, 80600), (1300, 77500), (1550, 65000), (1612, 62500), (1625, 62000), (2000, 50375), (2015, 50000), (2480, 40625), (2500, 40300), (2600, 38750), (3100, 32500), (3125, 32240), (3224, 31250), (3250, 31000), (3875, 26000), (4030, 25000), (5000, 20150), (5200, 19375), (6200, 16250), (6250, 16120), (6448, 15625), (6500, 15500), (7750, 13000), (8060, 12500), (8125, 12400), (10000, 10075)]