56438440

素因数分解:

$2^3\times 5^1\times {\mathrm{1410961}}^1$

素因数の和:1410972

約数の個数: 16

約数和(自身を含む): 126986580

約数和(自身を除く): 70548140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1410961, 2821922, 5643844, 7054805, 11287688, 14109610, 28219220, 56438440]

約数ペア:

[(1, 56438440), (2, 28219220), (4, 14109610), (5, 11287688), (8, 7054805), (10, 5643844), (20, 2821922), (40, 1410961)]