79960625

素因数分解:

$5^4\times {\mathrm{31}}^1\times {\mathrm{4127}}^1$

素因数の和:4178

約数の個数: 20

約数和(自身を含む): 103166976

約数和(自身を除く): 23206351

約数列:

[1, 5, 25, 31, 125, 155, 625, 775, 3875, 4127, 19375, 20635, 103175, 127937, 515875, 639685, 2579375, 3198425, 15992125, 79960625]

約数ペア:

[(1, 79960625), (5, 15992125), (25, 3198425), (31, 2579375), (125, 639685), (155, 515875), (625, 127937), (775, 103175), (3875, 20635), (4127, 19375)]