680030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5231}}^1$

素因数の和:5251

約数の個数: 16

約数和(自身を含む): 1318464

約数和(自身を除く): 638434

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 5231, 10462, 26155, 52310, 68003, 136006, 340015, 680030]

約数ペア:

[(1, 680030), (2, 340015), (5, 136006), (10, 68003), (13, 52310), (26, 26155), (65, 10462), (130, 5231)]