161262580

素因数分解:

$2^2\times 5^1\times {\mathrm{1823}}^1\times {\mathrm{4423}}^1$

素因数の和:6255

約数の個数: 24

約数和(自身を含む): 338913792

約数和(自身を除く): 177651212

約数列:

[1, 2, 4, 5, 10, 20, 1823, 3646, 4423, 7292, 8846, 9115, 17692, 18230, 22115, 36460, 44230, 88460, 8063129, 16126258, 32252516, 40315645, 80631290, 161262580]

約数ペア:

[(1, 161262580), (2, 80631290), (4, 40315645), (5, 32252516), (10, 16126258), (20, 8063129), (1823, 88460), (3646, 44230), (4423, 36460), (7292, 22115), (8846, 18230), (9115, 17692)]