56105680

素因数分解:

$2^4\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1061}}^1$

素因数の和:1735

約数の個数: 40

約数和(自身を含む): 130766184

約数和(自身を除く): 74660504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 661, 1061, 1322, 2122, 2644, 3305, 4244, 5288, 5305, 6610, 8488, 10576, 10610, 13220, 16976, 21220, 26440, 42440, 52880, 84880, 701321, 1402642, 2805284, 3506605, 5610568, 7013210, 11221136, 14026420, 28052840, 56105680]

約数ペア:

[(1, 56105680), (2, 28052840), (4, 14026420), (5, 11221136), (8, 7013210), (10, 5610568), (16, 3506605), (20, 2805284), (40, 1402642), (80, 701321), (661, 84880), (1061, 52880), (1322, 42440), (2122, 26440), (2644, 21220), (3305, 16976), (4244, 13220), (5288, 10610), (5305, 10576), (6610, 8488)]