55142720

素因数分解:

$2^6\times 5^1\times {\mathrm{172321}}^1$

素因数の和:172338

約数の個数: 28

約数和(自身を含む): 131309364

約数和(自身を除く): 76166644

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 172321, 344642, 689284, 861605, 1378568, 1723210, 2757136, 3446420, 5514272, 6892840, 11028544, 13785680, 27571360, 55142720]

約数ペア:

[(1, 55142720), (2, 27571360), (4, 13785680), (5, 11028544), (8, 6892840), (10, 5514272), (16, 3446420), (20, 2757136), (32, 1723210), (40, 1378568), (64, 861605), (80, 689284), (160, 344642), (320, 172321)]