158366920

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{55763}}^1$

素因数の和:55845

約数の個数: 32

約数和(自身を含む): 361350720

約数和(自身を除く): 202983800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 55763, 111526, 223052, 278815, 446104, 557630, 1115260, 2230520, 3959173, 7918346, 15836692, 19795865, 31673384, 39591730, 79183460, 158366920]

約数ペア:

[(1, 158366920), (2, 79183460), (4, 39591730), (5, 31673384), (8, 19795865), (10, 15836692), (20, 7918346), (40, 3959173), (71, 2230520), (142, 1115260), (284, 557630), (355, 446104), (568, 278815), (710, 223052), (1420, 111526), (2840, 55763)]