13123750

素因数分解:

$2^1\times 5^4\times {\mathrm{10499}}^1$

素因数の和:10521

約数の個数: 20

約数和(自身を含む): 24601500

約数和(自身を除く): 11477750

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 10499, 20998, 52495, 104990, 262475, 524950, 1312375, 2624750, 6561875, 13123750]

約数ペア:

[(1, 13123750), (2, 6561875), (5, 2624750), (10, 1312375), (25, 524950), (50, 262475), (125, 104990), (250, 52495), (625, 20998), (1250, 10499)]