12927640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2671}}^1$

素因数の和:2704

約数の個数: 48

約数和(自身を含む): 31983840

約数和(自身を除く): 19056200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 2671, 4840, 5342, 10684, 13355, 21368, 26710, 29381, 53420, 58762, 106840, 117524, 146905, 235048, 293810, 323191, 587620, 646382, 1175240, 1292764, 1615955, 2585528, 3231910, 6463820, 12927640]

約数ペア:

[(1, 12927640), (2, 6463820), (4, 3231910), (5, 2585528), (8, 1615955), (10, 1292764), (11, 1175240), (20, 646382), (22, 587620), (40, 323191), (44, 293810), (55, 235048), (88, 146905), (110, 117524), (121, 106840), (220, 58762), (242, 53420), (440, 29381), (484, 26710), (605, 21368), (968, 13355), (1210, 10684), (2420, 5342), (2671, 4840)]