39754780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1429}}^1$

素因数の和:1558

約数の個数: 48

約数和(自身を含む): 90810720

約数和(自身を除く): 51055940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 107, 130, 214, 260, 428, 535, 1070, 1391, 1429, 2140, 2782, 2858, 5564, 5716, 6955, 7145, 13910, 14290, 18577, 27820, 28580, 37154, 74308, 92885, 152903, 185770, 305806, 371540, 611612, 764515, 1529030, 1987739, 3058060, 3975478, 7950956, 9938695, 19877390, 39754780]

約数ペア:

[(1, 39754780), (2, 19877390), (4, 9938695), (5, 7950956), (10, 3975478), (13, 3058060), (20, 1987739), (26, 1529030), (52, 764515), (65, 611612), (107, 371540), (130, 305806), (214, 185770), (260, 152903), (428, 92885), (535, 74308), (1070, 37154), (1391, 28580), (1429, 27820), (2140, 18577), (2782, 14290), (2858, 13910), (5564, 7145), (5716, 6955)]