22739440

素因数分解:

$2^4\times 5^1\times {\mathrm{284243}}^1$

素因数の和:284256

約数の個数: 20

約数和(自身を含む): 52869384

約数和(自身を除く): 30129944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 284243, 568486, 1136972, 1421215, 2273944, 2842430, 4547888, 5684860, 11369720, 22739440]

約数ペア:

[(1, 22739440), (2, 11369720), (4, 5684860), (5, 4547888), (8, 2842430), (10, 2273944), (16, 1421215), (20, 1136972), (40, 568486), (80, 284243)]