87927680

素因数分解:

$2^7\times 5^1\times {\mathrm{137387}}^1$

素因数の和:137406

約数の個数: 32

約数和(自身を含む): 210203640

約数和(自身を除く): 122275960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 137387, 274774, 549548, 686935, 1099096, 1373870, 2198192, 2747740, 4396384, 5495480, 8792768, 10990960, 17585536, 21981920, 43963840, 87927680]

約数ペア:

[(1, 87927680), (2, 43963840), (4, 21981920), (5, 17585536), (8, 10990960), (10, 8792768), (16, 5495480), (20, 4396384), (32, 2747740), (40, 2198192), (64, 1373870), (80, 1099096), (128, 686935), (160, 549548), (320, 274774), (640, 137387)]