20100515

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{751}}^1$

素因数の和:910

約数の個数: 16

約数和(自身を含む): 24852096

約数和(自身を除く): 4751581

約数列:

[1, 5, 53, 101, 265, 505, 751, 3755, 5353, 26765, 39803, 75851, 199015, 379255, 4020103, 20100515]

約数ペア:

[(1, 20100515), (5, 4020103), (53, 379255), (101, 199015), (265, 75851), (505, 39803), (751, 26765), (3755, 5353)]