13111540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{239}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 29917440

約数和(自身を除く): 16805900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 211, 239, 260, 422, 478, 844, 956, 1055, 1195, 2110, 2390, 2743, 3107, 4220, 4780, 5486, 6214, 10972, 12428, 13715, 15535, 27430, 31070, 50429, 54860, 62140, 100858, 201716, 252145, 504290, 655577, 1008580, 1311154, 2622308, 3277885, 6555770, 13111540]

約数ペア:

[(1, 13111540), (2, 6555770), (4, 3277885), (5, 2622308), (10, 1311154), (13, 1008580), (20, 655577), (26, 504290), (52, 252145), (65, 201716), (130, 100858), (211, 62140), (239, 54860), (260, 50429), (422, 31070), (478, 27430), (844, 15535), (956, 13715), (1055, 12428), (1195, 10972), (2110, 6214), (2390, 5486), (2743, 4780), (3107, 4220)]