30755440

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3527}}^1$

素因数の和:3649

約数の個数: 40

約数和(自身を含む): 72182880

約数和(自身を除く): 41427440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 3527, 4360, 7054, 8720, 14108, 17635, 28216, 35270, 56432, 70540, 141080, 282160, 384443, 768886, 1537772, 1922215, 3075544, 3844430, 6151088, 7688860, 15377720, 30755440]

約数ペア:

[(1, 30755440), (2, 15377720), (4, 7688860), (5, 6151088), (8, 3844430), (10, 3075544), (16, 1922215), (20, 1537772), (40, 768886), (80, 384443), (109, 282160), (218, 141080), (436, 70540), (545, 56432), (872, 35270), (1090, 28216), (1744, 17635), (2180, 14108), (3527, 8720), (4360, 7054)]