20329123900

素因数分解:

$2^2\times 5^2\times {\mathrm{12511}}^1\times {\mathrm{16249}}^1$

素因数の和:28774

約数の個数: 36

約数和(自身を含む): 44120440000

約数和(自身を除く): 23791316100

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 12511, 16249, 25022, 32498, 50044, 62555, 64996, 81245, 125110, 162490, 250220, 312775, 324980, 406225, 625550, 812450, 1251100, 1624900, 203291239, 406582478, 813164956, 1016456195, 2032912390, 4065824780, 5082280975, 10164561950, 20329123900]

約数ペア:

[(1, 20329123900), (2, 10164561950), (4, 5082280975), (5, 4065824780), (10, 2032912390), (20, 1016456195), (25, 813164956), (50, 406582478), (100, 203291239), (12511, 1624900), (16249, 1251100), (25022, 812450), (32498, 625550), (50044, 406225), (62555, 324980), (64996, 312775), (81245, 250220), (125110, 162490)]