1650658640

素因数分解:

$2^4\times 5^1\times {\mathrm{1223}}^1\times {\mathrm{16871}}^1$

素因数の和:18107

約数の個数: 40

約数和(自身を含む): 3841147008

約数和(自身を除く): 2190488368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1223, 2446, 4892, 6115, 9784, 12230, 16871, 19568, 24460, 33742, 48920, 67484, 84355, 97840, 134968, 168710, 269936, 337420, 674840, 1349680, 20633233, 41266466, 82532932, 103166165, 165065864, 206332330, 330131728, 412664660, 825329320, 1650658640]

約数ペア:

[(1, 1650658640), (2, 825329320), (4, 412664660), (5, 330131728), (8, 206332330), (10, 165065864), (16, 103166165), (20, 82532932), (40, 41266466), (80, 20633233), (1223, 1349680), (2446, 674840), (4892, 337420), (6115, 269936), (9784, 168710), (12230, 134968), (16871, 97840), (19568, 84355), (24460, 67484), (33742, 48920)]