1982805625

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{3163}}^1$

素因数の和:3259

約数の個数: 40

約数和(自身を含む): 2668770720

約数和(自身を除く): 685965095

約数列:

[1, 5, 17, 25, 59, 85, 125, 295, 425, 625, 1003, 1475, 2125, 3163, 5015, 7375, 10625, 15815, 25075, 36875, 53771, 79075, 125375, 186617, 268855, 395375, 626875, 933085, 1344275, 1976875, 3172489, 4665425, 6721375, 15862445, 23327125, 33606875, 79312225, 116635625, 396561125, 1982805625]

約数ペア:

[(1, 1982805625), (5, 396561125), (17, 116635625), (25, 79312225), (59, 33606875), (85, 23327125), (125, 15862445), (295, 6721375), (425, 4665425), (625, 3172489), (1003, 1976875), (1475, 1344275), (2125, 933085), (3163, 626875), (5015, 395375), (7375, 268855), (10625, 186617), (15815, 125375), (25075, 79075), (36875, 53771)]