6448000

素因数分解:

$2^7\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:73

約数の個数: 128

約数和(自身を含む): 17821440

約数和(自身を除く): 11373440

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, 128, 130, 155, 160, 200, 208, 248, 250, 260, 310, 320, 325, 400, 403, 416, 496, 500, 520, 620, 640, 650, 775, 800, 806, 832, 992, 1000, 1040, 1240, 1300, 1550, 1600, 1612, 1625, 1664, 1984, 2000, 2015, 2080, 2480, 2600, 3100, 3200, 3224, 3250, 3875, 3968, 4000, 4030, 4160, 4960, 5200, 6200, 6448, 6500, 7750, 8000, 8060, 8320, 9920, 10075, 10400, 12400, 12896, 13000, 15500, 16000, 16120, 19840, 20150, 20800, 24800, 25792, 26000, 31000, 32240, 40300, 41600, 49600, 50375, 51584, 52000, 62000, 64480, 80600, 99200, 100750, 104000, 124000, 128960, 161200, 201500, 208000, 248000, 257920, 322400, 403000, 496000, 644800, 806000, 1289600, 1612000, 3224000, 6448000]

約数ペア:

[(1, 6448000), (2, 3224000), (4, 1612000), (5, 1289600), (8, 806000), (10, 644800), (13, 496000), (16, 403000), (20, 322400), (25, 257920), (26, 248000), (31, 208000), (32, 201500), (40, 161200), (50, 128960), (52, 124000), (62, 104000), (64, 100750), (65, 99200), (80, 80600), (100, 64480), (104, 62000), (124, 52000), (125, 51584), (128, 50375), (130, 49600), (155, 41600), (160, 40300), (200, 32240), (208, 31000), (248, 26000), (250, 25792), (260, 24800), (310, 20800), (320, 20150), (325, 19840), (400, 16120), (403, 16000), (416, 15500), (496, 13000), (500, 12896), (520, 12400), (620, 10400), (640, 10075), (650, 9920), (775, 8320), (800, 8060), (806, 8000), (832, 7750), (992, 6500), (1000, 6448), (1040, 6200), (1240, 5200), (1300, 4960), (1550, 4160), (1600, 4030), (1612, 4000), (1625, 3968), (1664, 3875), (1984, 3250), (2000, 3224), (2015, 3200), (2080, 3100), (2480, 2600)]