4781660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{347}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 11049696

約数和(自身を除く): 6268036

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 347, 530, 689, 694, 1060, 1378, 1388, 1735, 2756, 3445, 3470, 4511, 6890, 6940, 9022, 13780, 18044, 18391, 22555, 36782, 45110, 73564, 90220, 91955, 183910, 239083, 367820, 478166, 956332, 1195415, 2390830, 4781660]

約数ペア:

[(1, 4781660), (2, 2390830), (4, 1195415), (5, 956332), (10, 478166), (13, 367820), (20, 239083), (26, 183910), (52, 91955), (53, 90220), (65, 73564), (106, 45110), (130, 36782), (212, 22555), (260, 18391), (265, 18044), (347, 13780), (530, 9022), (689, 6940), (694, 6890), (1060, 4511), (1378, 3470), (1388, 3445), (1735, 2756)]