65482820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251857}}^1$

素因数の和:251879

約数の個数: 24

約数和(自身を含む): 148092504

約数和(自身を除く): 82609684

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 251857, 503714, 1007428, 1259285, 2518570, 3274141, 5037140, 6548282, 13096564, 16370705, 32741410, 65482820]

約数ペア:

[(1, 65482820), (2, 32741410), (4, 16370705), (5, 13096564), (10, 6548282), (13, 5037140), (20, 3274141), (26, 2518570), (52, 1259285), (65, 1007428), (130, 503714), (260, 251857)]