22540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1$

素因数の和:46

約数の個数: 36

約数和(自身を含む): 57456

約数和(自身を除く): 34916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 460, 490, 644, 805, 980, 1127, 1610, 2254, 3220, 4508, 5635, 11270, 22540]

約数ペア:

[(1, 22540), (2, 11270), (4, 5635), (5, 4508), (7, 3220), (10, 2254), (14, 1610), (20, 1127), (23, 980), (28, 805), (35, 644), (46, 490), (49, 460), (70, 322), (92, 245), (98, 230), (115, 196), (140, 161)]