4030000

素因数分解:

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

素因数の和:72

約数の個数: 100

約数和(自身を含む): 10846528

約数和(自身を除く): 6816528

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, 3224, 3250, 3875, 4030, 5000, 5200, 6200, 6448, 6500, 7750, 8060, 8125, 10000, 10075, 12400, 13000, 15500, 16120, 16250, 19375, 20150, 26000, 31000, 32240, 32500, 38750, 40300, 50375, 62000, 65000, 77500, 80600, 100750, 130000, 155000, 161200, 201500, 251875, 310000, 403000, 503750, 806000, 1007500, 2015000, 4030000]

約数ペア:

[(1, 4030000), (2, 2015000), (4, 1007500), (5, 806000), (8, 503750), (10, 403000), (13, 310000), (16, 251875), (20, 201500), (25, 161200), (26, 155000), (31, 130000), (40, 100750), (50, 80600), (52, 77500), (62, 65000), (65, 62000), (80, 50375), (100, 40300), (104, 38750), (124, 32500), (125, 32240), (130, 31000), (155, 26000), (200, 20150), (208, 19375), (248, 16250), (250, 16120), (260, 15500), (310, 13000), (325, 12400), (400, 10075), (403, 10000), (496, 8125), (500, 8060), (520, 7750), (620, 6500), (625, 6448), (650, 6200), (775, 5200), (806, 5000), (1000, 4030), (1040, 3875), (1240, 3250), (1250, 3224), (1300, 3100), (1550, 2600), (1612, 2500), (1625, 2480), (2000, 2015)]