2600697970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20005369}}^1$

素因数の和:20005389

約数の個数: 16

約数和(自身を含む): 5041353240

約数和(自身を除く): 2440655270

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 20005369, 40010738, 100026845, 200053690, 260069797, 520139594, 1300348985, 2600697970]

約数ペア:

[(1, 2600697970), (2, 1300348985), (5, 520139594), (10, 260069797), (13, 200053690), (26, 100026845), (65, 40010738), (130, 20005369)]