13491340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 29917440

約数和(自身を除く): 16426100

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 139, 211, 230, 278, 422, 460, 556, 695, 844, 1055, 1390, 2110, 2780, 3197, 4220, 4853, 6394, 9706, 12788, 15985, 19412, 24265, 29329, 31970, 48530, 58658, 63940, 97060, 117316, 146645, 293290, 586580, 674567, 1349134, 2698268, 3372835, 6745670, 13491340]

約数ペア:

[(1, 13491340), (2, 6745670), (4, 3372835), (5, 2698268), (10, 1349134), (20, 674567), (23, 586580), (46, 293290), (92, 146645), (115, 117316), (139, 97060), (211, 63940), (230, 58658), (278, 48530), (422, 31970), (460, 29329), (556, 24265), (695, 19412), (844, 15985), (1055, 12788), (1390, 9706), (2110, 6394), (2780, 4853), (3197, 4220)]