4990250

素因数分解:

$2^1\times 5^3\times {\mathrm{19961}}^1$

素因数の和:19978

約数の個数: 16

約数和(自身を含む): 9342216

約数和(自身を除く): 4351966

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 19961, 39922, 99805, 199610, 499025, 998050, 2495125, 4990250]

約数ペア:

[(1, 4990250), (2, 2495125), (5, 998050), (10, 499025), (25, 199610), (50, 99805), (125, 39922), (250, 19961)]