15665000

素因数分解:

$2^3\times 5^4\times {\mathrm{13}}^1\times {\mathrm{241}}^1$

素因数の和:280

約数の個数: 80

約数和(自身を含む): 39690420

約数和(自身を除く): 24025420

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 200, 241, 250, 260, 325, 482, 500, 520, 625, 650, 964, 1000, 1205, 1250, 1300, 1625, 1928, 2410, 2500, 2600, 3133, 3250, 4820, 5000, 6025, 6266, 6500, 8125, 9640, 12050, 12532, 13000, 15665, 16250, 24100, 25064, 30125, 31330, 32500, 48200, 60250, 62660, 65000, 78325, 120500, 125320, 150625, 156650, 241000, 301250, 313300, 391625, 602500, 626600, 783250, 1205000, 1566500, 1958125, 3133000, 3916250, 7832500, 15665000]

約数ペア:

[(1, 15665000), (2, 7832500), (4, 3916250), (5, 3133000), (8, 1958125), (10, 1566500), (13, 1205000), (20, 783250), (25, 626600), (26, 602500), (40, 391625), (50, 313300), (52, 301250), (65, 241000), (100, 156650), (104, 150625), (125, 125320), (130, 120500), (200, 78325), (241, 65000), (250, 62660), (260, 60250), (325, 48200), (482, 32500), (500, 31330), (520, 30125), (625, 25064), (650, 24100), (964, 16250), (1000, 15665), (1205, 13000), (1250, 12532), (1300, 12050), (1625, 9640), (1928, 8125), (2410, 6500), (2500, 6266), (2600, 6025), (3133, 5000), (3250, 4820)]