415163960

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{131381}}^1$

素因数の和:131471

約数の個数: 32

約数和(自身を含む): 945950400

約数和(自身を除く): 530786440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 131381, 262762, 525524, 656905, 1051048, 1313810, 2627620, 5255240, 10379099, 20758198, 41516396, 51895495, 83032792, 103790990, 207581980, 415163960]

約数ペア:

[(1, 415163960), (2, 207581980), (4, 103790990), (5, 83032792), (8, 51895495), (10, 41516396), (20, 20758198), (40, 10379099), (79, 5255240), (158, 2627620), (316, 1313810), (395, 1051048), (632, 656905), (790, 525524), (1580, 262762), (3160, 131381)]