15980458640

素因数分解:

$2^4\times 5^1\times {\mathrm{3449}}^1\times {\mathrm{57917}}^1$

素因数の和:61379

約数の個数: 40

約数和(自身を含む): 37165980600

約数和(自身を除く): 21185521960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3449, 6898, 13796, 17245, 27592, 34490, 55184, 57917, 68980, 115834, 137960, 231668, 275920, 289585, 463336, 579170, 926672, 1158340, 2316680, 4633360, 199755733, 399511466, 799022932, 998778665, 1598045864, 1997557330, 3196091728, 3995114660, 7990229320, 15980458640]

約数ペア:

[(1, 15980458640), (2, 7990229320), (4, 3995114660), (5, 3196091728), (8, 1997557330), (10, 1598045864), (16, 998778665), (20, 799022932), (40, 399511466), (80, 199755733), (3449, 4633360), (6898, 2316680), (13796, 1158340), (17245, 926672), (27592, 579170), (34490, 463336), (55184, 289585), (57917, 275920), (68980, 231668), (115834, 137960)]