220244240

素因数分解:

$2^4\times 5^1\times {\mathrm{631}}^1\times {\mathrm{4363}}^1$

素因数の和:5007

約数の個数: 40

約数和(自身を含む): 512996928

約数和(自身を除く): 292752688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 631, 1262, 2524, 3155, 4363, 5048, 6310, 8726, 10096, 12620, 17452, 21815, 25240, 34904, 43630, 50480, 69808, 87260, 174520, 349040, 2753053, 5506106, 11012212, 13765265, 22024424, 27530530, 44048848, 55061060, 110122120, 220244240]

約数ペア:

[(1, 220244240), (2, 110122120), (4, 55061060), (5, 44048848), (8, 27530530), (10, 22024424), (16, 13765265), (20, 11012212), (40, 5506106), (80, 2753053), (631, 349040), (1262, 174520), (2524, 87260), (3155, 69808), (4363, 50480), (5048, 43630), (6310, 34904), (8726, 25240), (10096, 21815), (12620, 17452)]