25680070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197539}}^1$

素因数の和:197559

約数の個数: 16

約数和(自身を含む): 49780080

約数和(自身を除く): 24100010

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 197539, 395078, 987695, 1975390, 2568007, 5136014, 12840035, 25680070]

約数ペア:

[(1, 25680070), (2, 12840035), (5, 5136014), (10, 2568007), (13, 1975390), (26, 987695), (65, 395078), (130, 197539)]