72820490

素因数分解:

$2^1\times 5^1\times {\mathrm{1709}}^1\times {\mathrm{4261}}^1$

素因数の和:5977

約数の個数: 16

約数和(自身を含む): 131184360

約数和(自身を除く): 58363870

約数列:

[1, 2, 5, 10, 1709, 3418, 4261, 8522, 8545, 17090, 21305, 42610, 7282049, 14564098, 36410245, 72820490]

約数ペア:

[(1, 72820490), (2, 36410245), (5, 14564098), (10, 7282049), (1709, 42610), (3418, 21305), (4261, 17090), (8522, 8545)]