72422920

素因数分解:

$2^3\times 5^1\times {\mathrm{1810573}}^1$

素因数の和:1810584

約数の個数: 16

約数和(自身を含む): 162951660

約数和(自身を除く): 90528740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1810573, 3621146, 7242292, 9052865, 14484584, 18105730, 36211460, 72422920]

約数ペア:

[(1, 72422920), (2, 36211460), (4, 18105730), (5, 14484584), (8, 9052865), (10, 7242292), (20, 3621146), (40, 1810573)]