127804520

素因数分解:

$2^3\times 5^1\times {\mathrm{1567}}^1\times {\mathrm{2039}}^1$

素因数の和:3617

約数の個数: 32

約数和(自身を含む): 287884800

約数和(自身を除く): 160080280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1567, 2039, 3134, 4078, 6268, 7835, 8156, 10195, 12536, 15670, 16312, 20390, 31340, 40780, 62680, 81560, 3195113, 6390226, 12780452, 15975565, 25560904, 31951130, 63902260, 127804520]

約数ペア:

[(1, 127804520), (2, 63902260), (4, 31951130), (5, 25560904), (8, 15975565), (10, 12780452), (20, 6390226), (40, 3195113), (1567, 81560), (2039, 62680), (3134, 40780), (4078, 31340), (6268, 20390), (7835, 16312), (8156, 15670), (10195, 12536)]