22290640

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{3527}}^1$

素因数の和:3619

約数の個数: 40

約数和(自身を含む): 52496640

約数和(自身を除く): 30206000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 3527, 6320, 7054, 14108, 17635, 28216, 35270, 56432, 70540, 141080, 278633, 282160, 557266, 1114532, 1393165, 2229064, 2786330, 4458128, 5572660, 11145320, 22290640]

約数ペア:

[(1, 22290640), (2, 11145320), (4, 5572660), (5, 4458128), (8, 2786330), (10, 2229064), (16, 1393165), (20, 1114532), (40, 557266), (79, 282160), (80, 278633), (158, 141080), (316, 70540), (395, 56432), (632, 35270), (790, 28216), (1264, 17635), (1580, 14108), (3160, 7054), (3527, 6320)]