90565420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{1951}}^1$

素因数の和:2182

約数の個数: 48

約数和(自身を含む): 208567296

約数和(自身を除く): 118001876

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 211, 220, 422, 844, 1055, 1951, 2110, 2321, 3902, 4220, 4642, 7804, 9284, 9755, 11605, 19510, 21461, 23210, 39020, 42922, 46420, 85844, 107305, 214610, 411661, 429220, 823322, 1646644, 2058305, 4116610, 4528271, 8233220, 9056542, 18113084, 22641355, 45282710, 90565420]

約数ペア:

[(1, 90565420), (2, 45282710), (4, 22641355), (5, 18113084), (10, 9056542), (11, 8233220), (20, 4528271), (22, 4116610), (44, 2058305), (55, 1646644), (110, 823322), (211, 429220), (220, 411661), (422, 214610), (844, 107305), (1055, 85844), (1951, 46420), (2110, 42922), (2321, 39020), (3902, 23210), (4220, 21461), (4642, 19510), (7804, 11605), (9284, 9755)]