4395025

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:201

約数の個数: 24

約数和(自身を含む): 5785344

約数和(自身を除く): 1390319

約数列:

[1, 5, 25, 31, 53, 107, 155, 265, 535, 775, 1325, 1643, 2675, 3317, 5671, 8215, 16585, 28355, 41075, 82925, 141775, 175801, 879005, 4395025]

約数ペア:

[(1, 4395025), (5, 879005), (25, 175801), (31, 141775), (53, 82925), (107, 41075), (155, 28355), (265, 16585), (535, 8215), (775, 5671), (1325, 3317), (1643, 2675)]