320011775

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{1697}}^1$

素因数の和:2123

約数の個数: 24

約数和(自身を含む): 418998480

約数和(自身を除く): 98986705

約数列:

[1, 5, 19, 25, 95, 397, 475, 1697, 1985, 7543, 8485, 9925, 32243, 37715, 42425, 161215, 188575, 673709, 806075, 3368545, 12800471, 16842725, 64002355, 320011775]

約数ペア:

[(1, 320011775), (5, 64002355), (19, 16842725), (25, 12800471), (95, 3368545), (397, 806075), (475, 673709), (1697, 188575), (1985, 161215), (7543, 42425), (8485, 37715), (9925, 32243)]