72813575

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1999}}^1$

素因数の和:2087

約数の個数: 24

約数和(自身を含む): 95232000

約数和(自身を除く): 22418425

約数列:

[1, 5, 25, 31, 47, 155, 235, 775, 1175, 1457, 1999, 7285, 9995, 36425, 49975, 61969, 93953, 309845, 469765, 1549225, 2348825, 2912543, 14562715, 72813575]

約数ペア:

[(1, 72813575), (5, 14562715), (25, 2912543), (31, 2348825), (47, 1549225), (155, 469765), (235, 309845), (775, 93953), (1175, 61969), (1457, 49975), (1999, 36425), (7285, 9995)]