155432840

素因数分解:

$2^3\times 5^1\times {\mathrm{3885821}}^1$

素因数の和:3885832

約数の個数: 16

約数和(自身を含む): 349723980

約数和(自身を除く): 194291140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3885821, 7771642, 15543284, 19429105, 31086568, 38858210, 77716420, 155432840]

約数ペア:

[(1, 155432840), (2, 77716420), (4, 38858210), (5, 31086568), (8, 19429105), (10, 15543284), (20, 7771642), (40, 3885821)]