13131560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25253}}^1$

素因数の和:25277

約数の個数: 32

約数和(自身を含む): 31820040

約数和(自身を除く): 18688480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 25253, 50506, 101012, 126265, 202024, 252530, 328289, 505060, 656578, 1010120, 1313156, 1641445, 2626312, 3282890, 6565780, 13131560]

約数ペア:

[(1, 13131560), (2, 6565780), (4, 3282890), (5, 2626312), (8, 1641445), (10, 1313156), (13, 1010120), (20, 656578), (26, 505060), (40, 328289), (52, 252530), (65, 202024), (104, 126265), (130, 101012), (260, 50506), (520, 25253)]