518050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{797}}^1$

素因数の和:822

約数の個数: 24

約数和(自身を含む): 1038996

約数和(自身を除く): 520946

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 797, 1594, 3985, 7970, 10361, 19925, 20722, 39850, 51805, 103610, 259025, 518050]

約数ペア:

[(1, 518050), (2, 259025), (5, 103610), (10, 51805), (13, 39850), (25, 20722), (26, 19925), (50, 10361), (65, 7970), (130, 3985), (325, 1594), (650, 797)]