22440920

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{5147}}^1$

素因数の和:5267

約数の個数: 32

約数和(自身を含む): 50965200

約数和(自身を除く): 28524280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 5147, 10294, 20588, 25735, 41176, 51470, 102940, 205880, 561023, 1122046, 2244092, 2805115, 4488184, 5610230, 11220460, 22440920]

約数ペア:

[(1, 22440920), (2, 11220460), (4, 5610230), (5, 4488184), (8, 2805115), (10, 2244092), (20, 1122046), (40, 561023), (109, 205880), (218, 102940), (436, 51470), (545, 41176), (872, 25735), (1090, 20588), (2180, 10294), (4360, 5147)]