55697620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{619}}^1$

素因数の和:1048

約数の個数: 48

約数和(自身を含む): 128116800

約数和(自身を除く): 72419180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 409, 619, 818, 1238, 1636, 2045, 2476, 3095, 4090, 4499, 6190, 6809, 8180, 8998, 12380, 13618, 17996, 22495, 27236, 34045, 44990, 68090, 89980, 136180, 253171, 506342, 1012684, 1265855, 2531710, 2784881, 5063420, 5569762, 11139524, 13924405, 27848810, 55697620]

約数ペア:

[(1, 55697620), (2, 27848810), (4, 13924405), (5, 11139524), (10, 5569762), (11, 5063420), (20, 2784881), (22, 2531710), (44, 1265855), (55, 1012684), (110, 506342), (220, 253171), (409, 136180), (619, 89980), (818, 68090), (1238, 44990), (1636, 34045), (2045, 27236), (2476, 22495), (3095, 17996), (4090, 13618), (4499, 12380), (6190, 8998), (6809, 8180)]