101686840

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{18289}}^1$

素因数の和:18439

約数の個数: 32

約数和(自身を含む): 230454000

約数和(自身を除く): 128767160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 18289, 36578, 73156, 91445, 146312, 182890, 365780, 731560, 2542171, 5084342, 10168684, 12710855, 20337368, 25421710, 50843420, 101686840]

約数ペア:

[(1, 101686840), (2, 50843420), (4, 25421710), (5, 20337368), (8, 12710855), (10, 10168684), (20, 5084342), (40, 2542171), (139, 731560), (278, 365780), (556, 182890), (695, 146312), (1112, 91445), (1390, 73156), (2780, 36578), (5560, 18289)]