156900580

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{19181}}^1$

素因数の和:19599

約数の個数: 24

約数和(自身を含む): 330314040

約数和(自身を除く): 173413460

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 4090, 8180, 19181, 38362, 76724, 95905, 191810, 383620, 7845029, 15690058, 31380116, 39225145, 78450290, 156900580]

約数ペア:

[(1, 156900580), (2, 78450290), (4, 39225145), (5, 31380116), (10, 15690058), (20, 7845029), (409, 383620), (818, 191810), (1636, 95905), (2045, 76724), (4090, 38362), (8180, 19181)]