4078100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3137}}^1$

素因数の和:3164

約数の個数: 36

約数和(自身を含む): 9533244

約数和(自身を除く): 5455144

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 3137, 6274, 12548, 15685, 31370, 40781, 62740, 78425, 81562, 156850, 163124, 203905, 313700, 407810, 815620, 1019525, 2039050, 4078100]

約数ペア:

[(1, 4078100), (2, 2039050), (4, 1019525), (5, 815620), (10, 407810), (13, 313700), (20, 203905), (25, 163124), (26, 156850), (50, 81562), (52, 78425), (65, 62740), (100, 40781), (130, 31370), (260, 15685), (325, 12548), (650, 6274), (1300, 3137)]