2400000040

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{397351}}^1$

素因数の和:397513

約数の個数: 32

約数和(自身を含む): 5435775360

約数和(自身を除く): 3035775320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 6040, 397351, 794702, 1589404, 1986755, 3178808, 3973510, 7947020, 15894040, 60000001, 120000002, 240000004, 300000005, 480000008, 600000010, 1200000020, 2400000040]

約数ペア:

[(1, 2400000040), (2, 1200000020), (4, 600000010), (5, 480000008), (8, 300000005), (10, 240000004), (20, 120000002), (40, 60000001), (151, 15894040), (302, 7947020), (604, 3973510), (755, 3178808), (1208, 1986755), (1510, 1589404), (3020, 794702), (6040, 397351)]