80374450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{123653}}^1$

素因数の和:123678

約数の個数: 24

約数和(自身を含む): 160997508

約数和(自身を除く): 80623058

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 123653, 247306, 618265, 1236530, 1607489, 3091325, 3214978, 6182650, 8037445, 16074890, 40187225, 80374450]

約数ペア:

[(1, 80374450), (2, 40187225), (5, 16074890), (10, 8037445), (13, 6182650), (25, 3214978), (26, 3091325), (50, 1607489), (65, 1236530), (130, 618265), (325, 247306), (650, 123653)]