156950680

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{12781}}^1$

素因数の和:13099

約数の個数: 32

約数和(自身を含む): 354317040

約数和(自身を除く): 197366360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2456, 3070, 6140, 12280, 12781, 25562, 51124, 63905, 102248, 127810, 255620, 511240, 3923767, 7847534, 15695068, 19618835, 31390136, 39237670, 78475340, 156950680]

約数ペア:

[(1, 156950680), (2, 78475340), (4, 39237670), (5, 31390136), (8, 19618835), (10, 15695068), (20, 7847534), (40, 3923767), (307, 511240), (614, 255620), (1228, 127810), (1535, 102248), (2456, 63905), (3070, 51124), (6140, 25562), (12280, 12781)]