39687580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1471}}^1$

素因数の和:1570

約数の個数: 48

約数和(自身を含む): 89026560

約数和(自身を除く): 49338980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 190, 284, 355, 380, 710, 1349, 1420, 1471, 2698, 2942, 5396, 5884, 6745, 7355, 13490, 14710, 26980, 27949, 29420, 55898, 104441, 111796, 139745, 208882, 279490, 417764, 522205, 558980, 1044410, 1984379, 2088820, 3968758, 7937516, 9921895, 19843790, 39687580]

約数ペア:

[(1, 39687580), (2, 19843790), (4, 9921895), (5, 7937516), (10, 3968758), (19, 2088820), (20, 1984379), (38, 1044410), (71, 558980), (76, 522205), (95, 417764), (142, 279490), (190, 208882), (284, 139745), (355, 111796), (380, 104441), (710, 55898), (1349, 29420), (1420, 27949), (1471, 26980), (2698, 14710), (2942, 13490), (5396, 7355), (5884, 6745)]