40305425

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{397}}^1$

素因数の和:569

約数の個数: 24

約数和(自身を含む): 52115712

約数和(自身を除く): 11810287

約数列:

[1, 5, 25, 31, 131, 155, 397, 655, 775, 1985, 3275, 4061, 9925, 12307, 20305, 52007, 61535, 101525, 260035, 307675, 1300175, 1612217, 8061085, 40305425]

約数ペア:

[(1, 40305425), (5, 8061085), (25, 1612217), (31, 1300175), (131, 307675), (155, 260035), (397, 101525), (655, 61535), (775, 52007), (1985, 20305), (3275, 12307), (4061, 9925)]