65042225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{919}}^1$

素因数の和:1097

約数の個数: 24

約数和(自身を含む): 85560000

約数和(自身を除く): 20517775

約数列:

[1, 5, 19, 25, 95, 149, 475, 745, 919, 2831, 3725, 4595, 14155, 17461, 22975, 70775, 87305, 136931, 436525, 684655, 2601689, 3423275, 13008445, 65042225]

約数ペア:

[(1, 65042225), (5, 13008445), (19, 3423275), (25, 2601689), (95, 684655), (149, 436525), (475, 136931), (745, 87305), (919, 70775), (2831, 22975), (3725, 17461), (4595, 14155)]