2021387125

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{23201}}^1$

素因数の和:23274

約数の個数: 32

約数和(自身を含む): 2736351072

約数和(自身を除く): 714963947

約数列:

[1, 5, 17, 25, 41, 85, 125, 205, 425, 697, 1025, 2125, 3485, 5125, 17425, 23201, 87125, 116005, 394417, 580025, 951241, 1972085, 2900125, 4756205, 9860425, 16171097, 23781025, 49302125, 80855485, 118905125, 404277425, 2021387125]

約数ペア:

[(1, 2021387125), (5, 404277425), (17, 118905125), (25, 80855485), (41, 49302125), (85, 23781025), (125, 16171097), (205, 9860425), (425, 4756205), (697, 2900125), (1025, 1972085), (2125, 951241), (3485, 580025), (5125, 394417), (17425, 116005), (23201, 87125)]