516100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{397}}^1$

素因数の和:424

約数の個数: 36

約数和(自身を含む): 1209124

約数和(自身を除く): 693024

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 397, 650, 794, 1300, 1588, 1985, 3970, 5161, 7940, 9925, 10322, 19850, 20644, 25805, 39700, 51610, 103220, 129025, 258050, 516100]

約数ペア:

[(1, 516100), (2, 258050), (4, 129025), (5, 103220), (10, 51610), (13, 39700), (20, 25805), (25, 20644), (26, 19850), (50, 10322), (52, 9925), (65, 7940), (100, 5161), (130, 3970), (260, 1985), (325, 1588), (397, 1300), (650, 794)]