80620325

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{8933}}^1$

素因数の和:8981

約数の個数: 18

約数和(自身を含む): 105519474

約数和(自身を除く): 24899149

約数列:

[1, 5, 19, 25, 95, 361, 475, 1805, 8933, 9025, 44665, 169727, 223325, 848635, 3224813, 4243175, 16124065, 80620325]

約数ペア:

[(1, 80620325), (5, 16124065), (19, 4243175), (25, 3224813), (95, 848635), (361, 223325), (475, 169727), (1805, 44665), (8933, 9025)]