12927560

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4091}}^1$

素因数の和:4181

約数の個数: 32

約数和(自身を含む): 29462400

約数和(自身を除く): 16534840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 4091, 8182, 16364, 20455, 32728, 40910, 81820, 163640, 323189, 646378, 1292756, 1615945, 2585512, 3231890, 6463780, 12927560]

約数ペア:

[(1, 12927560), (2, 6463780), (4, 3231890), (5, 2585512), (8, 1615945), (10, 1292756), (20, 646378), (40, 323189), (79, 163640), (158, 81820), (316, 40910), (395, 32728), (632, 20455), (790, 16364), (1580, 8182), (3160, 4091)]