127701920

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{10103}}^1$

素因数の和:10197

約数の個数: 48

約数和(自身を含む): 305544960

約数和(自身を除く): 177843040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 316, 395, 632, 790, 1264, 1580, 2528, 3160, 6320, 10103, 12640, 20206, 40412, 50515, 80824, 101030, 161648, 202060, 323296, 404120, 798137, 808240, 1596274, 1616480, 3192548, 3990685, 6385096, 7981370, 12770192, 15962740, 25540384, 31925480, 63850960, 127701920]

約数ペア:

[(1, 127701920), (2, 63850960), (4, 31925480), (5, 25540384), (8, 15962740), (10, 12770192), (16, 7981370), (20, 6385096), (32, 3990685), (40, 3192548), (79, 1616480), (80, 1596274), (158, 808240), (160, 798137), (316, 404120), (395, 323296), (632, 202060), (790, 161648), (1264, 101030), (1580, 80824), (2528, 50515), (3160, 40412), (6320, 20206), (10103, 12640)]