1271140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4889}}^1$

素因数の和:4911

約数の個数: 24

約数和(自身を含む): 2875320

約数和(自身を除く): 1604180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 4889, 9778, 19556, 24445, 48890, 63557, 97780, 127114, 254228, 317785, 635570, 1271140]

約数ペア:

[(1, 1271140), (2, 635570), (4, 317785), (5, 254228), (10, 127114), (13, 97780), (20, 63557), (26, 48890), (52, 24445), (65, 19556), (130, 9778), (260, 4889)]