8521960

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:250

約数の個数: 64

約数和(自身を含む): 20476800

約数和(自身を除く): 11954840

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 59, 92, 115, 118, 157, 184, 230, 236, 295, 314, 460, 472, 590, 628, 785, 920, 1180, 1256, 1357, 1570, 2360, 2714, 3140, 3611, 5428, 6280, 6785, 7222, 9263, 10856, 13570, 14444, 18055, 18526, 27140, 28888, 36110, 37052, 46315, 54280, 72220, 74104, 92630, 144440, 185260, 213049, 370520, 426098, 852196, 1065245, 1704392, 2130490, 4260980, 8521960]

約数ペア:

[(1, 8521960), (2, 4260980), (4, 2130490), (5, 1704392), (8, 1065245), (10, 852196), (20, 426098), (23, 370520), (40, 213049), (46, 185260), (59, 144440), (92, 92630), (115, 74104), (118, 72220), (157, 54280), (184, 46315), (230, 37052), (236, 36110), (295, 28888), (314, 27140), (460, 18526), (472, 18055), (590, 14444), (628, 13570), (785, 10856), (920, 9263), (1180, 7222), (1256, 6785), (1357, 6280), (1570, 5428), (2360, 3611), (2714, 3140)]