22254440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{42797}}^1$

素因数の和:42821

約数の個数: 32

約数和(自身を含む): 53925480

約数和(自身を除く): 31671040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 42797, 85594, 171188, 213985, 342376, 427970, 556361, 855940, 1112722, 1711880, 2225444, 2781805, 4450888, 5563610, 11127220, 22254440]

約数ペア:

[(1, 22254440), (2, 11127220), (4, 5563610), (5, 4450888), (8, 2781805), (10, 2225444), (13, 1711880), (20, 1112722), (26, 855940), (40, 556361), (52, 427970), (65, 342376), (104, 213985), (130, 171188), (260, 85594), (520, 42797)]