42000460

素因数分解:

$2^2\times 5^1\times {\mathrm{1361}}^1\times {\mathrm{1543}}^1$

素因数の和:2913

約数の個数: 24

約数和(自身を含む): 88322976

約数和(自身を除く): 46322516

約数列:

[1, 2, 4, 5, 10, 20, 1361, 1543, 2722, 3086, 5444, 6172, 6805, 7715, 13610, 15430, 27220, 30860, 2100023, 4200046, 8400092, 10500115, 21000230, 42000460]

約数ペア:

[(1, 42000460), (2, 21000230), (4, 10500115), (5, 8400092), (10, 4200046), (20, 2100023), (1361, 30860), (1543, 27220), (2722, 15430), (3086, 13610), (5444, 7715), (6172, 6805)]