72762820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{279857}}^1$

素因数の和:279879

約数の個数: 24

約数和(自身を含む): 164556504

約数和(自身を除く): 91793684

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 279857, 559714, 1119428, 1399285, 2798570, 3638141, 5597140, 7276282, 14552564, 18190705, 36381410, 72762820]

約数ペア:

[(1, 72762820), (2, 36381410), (4, 18190705), (5, 14552564), (10, 7276282), (13, 5597140), (20, 3638141), (26, 2798570), (52, 1399285), (65, 1119428), (130, 559714), (260, 279857)]