422556875

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{397}}^1$

素因数の和:561

約数の個数: 40

約数和(自身を含む): 574428624

約数和(自身を除く): 151871749

約数列:

[1, 5, 13, 25, 65, 125, 131, 325, 397, 625, 655, 1625, 1703, 1985, 3275, 5161, 8125, 8515, 9925, 16375, 25805, 42575, 49625, 52007, 81875, 129025, 212875, 248125, 260035, 645125, 676091, 1064375, 1300175, 3225625, 3380455, 6500875, 16902275, 32504375, 84511375, 422556875]

約数ペア:

[(1, 422556875), (5, 84511375), (13, 32504375), (25, 16902275), (65, 6500875), (125, 3380455), (131, 3225625), (325, 1300175), (397, 1064375), (625, 676091), (655, 645125), (1625, 260035), (1703, 248125), (1985, 212875), (3275, 129025), (5161, 81875), (8125, 52007), (8515, 49625), (9925, 42575), (16375, 25805)]