25494820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{98057}}^1$

素因数の和:98079

約数の個数: 24

約数和(自身を含む): 57658104

約数和(自身を除く): 32163284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 98057, 196114, 392228, 490285, 980570, 1274741, 1961140, 2549482, 5098964, 6373705, 12747410, 25494820]

約数ペア:

[(1, 25494820), (2, 12747410), (4, 6373705), (5, 5098964), (10, 2549482), (13, 1961140), (20, 1274741), (26, 980570), (52, 490285), (65, 392228), (130, 196114), (260, 98057)]