12867166360

素因数分解:

$2^3\times 5^1\times {\mathrm{1871}}^1\times {\mathrm{171929}}^1$

素因数の和:173811

約数の個数: 32

約数和(自身を含む): 28966766400

約数和(自身を除く): 16099600040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1871, 3742, 7484, 9355, 14968, 18710, 37420, 74840, 171929, 343858, 687716, 859645, 1375432, 1719290, 3438580, 6877160, 321679159, 643358318, 1286716636, 1608395795, 2573433272, 3216791590, 6433583180, 12867166360]

約数ペア:

[(1, 12867166360), (2, 6433583180), (4, 3216791590), (5, 2573433272), (8, 1608395795), (10, 1286716636), (20, 643358318), (40, 321679159), (1871, 6877160), (3742, 3438580), (7484, 1719290), (9355, 1375432), (14968, 859645), (18710, 687716), (37420, 343858), (74840, 171929)]