200643640

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{82231}}^1$

素因数の和:82303

約数の個数: 32

約数和(自身を含む): 458854560

約数和(自身を除く): 258210920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 82231, 164462, 328924, 411155, 657848, 822310, 1644620, 3289240, 5016091, 10032182, 20064364, 25080455, 40128728, 50160910, 100321820, 200643640]

約数ペア:

[(1, 200643640), (2, 100321820), (4, 50160910), (5, 40128728), (8, 25080455), (10, 20064364), (20, 10032182), (40, 5016091), (61, 3289240), (122, 1644620), (244, 822310), (305, 657848), (488, 411155), (610, 328924), (1220, 164462), (2440, 82231)]