90295025

素因数分解:

$5^2\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{349}}^1$

素因数の和:569

約数の個数: 24

約数和(自身を含む): 114576000

約数和(自身を除く): 24280975

約数列:

[1, 5, 25, 79, 131, 349, 395, 655, 1745, 1975, 3275, 8725, 10349, 27571, 45719, 51745, 137855, 228595, 258725, 689275, 1142975, 3611801, 18059005, 90295025]

約数ペア:

[(1, 90295025), (5, 18059005), (25, 3611801), (79, 1142975), (131, 689275), (349, 258725), (395, 228595), (655, 137855), (1745, 51745), (1975, 45719), (3275, 27571), (8725, 10349)]