214635625

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{20201}}^1$

素因数の和:20238

約数の個数: 20

約数和(自身を含む): 283999716

約数和(自身を除く): 69364091

約数列:

[1, 5, 17, 25, 85, 125, 425, 625, 2125, 10625, 20201, 101005, 343417, 505025, 1717085, 2525125, 8585425, 12625625, 42927125, 214635625]

約数ペア:

[(1, 214635625), (5, 42927125), (17, 12625625), (25, 8585425), (85, 2525125), (125, 1717085), (425, 505025), (625, 343417), (2125, 101005), (10625, 20201)]