72951580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{280583}}^1$

素因数の和:280605

約数の個数: 24

約数和(自身を含む): 164983392

約数和(自身を除く): 92031812

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 280583, 561166, 1122332, 1402915, 2805830, 3647579, 5611660, 7295158, 14590316, 18237895, 36475790, 72951580]

約数ペア:

[(1, 72951580), (2, 36475790), (4, 18237895), (5, 14590316), (10, 7295158), (13, 5611660), (20, 3647579), (26, 2805830), (52, 1402915), (65, 1122332), (130, 561166), (260, 280583)]