90997540

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{18127}}^1$

素因数の和:18387

約数の個数: 24

約数和(自身を含む): 191866752

約数和(自身を除く): 100869212

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 5020, 18127, 36254, 72508, 90635, 181270, 362540, 4549877, 9099754, 18199508, 22749385, 45498770, 90997540]

約数ペア:

[(1, 90997540), (2, 45498770), (4, 22749385), (5, 18199508), (10, 9099754), (20, 4549877), (251, 362540), (502, 181270), (1004, 90635), (1255, 72508), (2510, 36254), (5020, 18127)]