15573140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{997}}^1$

素因数の和:1088

約数の個数: 48

約数和(自身を含む): 36215424

約数和(自身を除く): 20642284

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 997, 1420, 1562, 1994, 3124, 3905, 3988, 4985, 7810, 9970, 10967, 15620, 19940, 21934, 43868, 54835, 70787, 109670, 141574, 219340, 283148, 353935, 707870, 778657, 1415740, 1557314, 3114628, 3893285, 7786570, 15573140]

約数ペア:

[(1, 15573140), (2, 7786570), (4, 3893285), (5, 3114628), (10, 1557314), (11, 1415740), (20, 778657), (22, 707870), (44, 353935), (55, 283148), (71, 219340), (110, 141574), (142, 109670), (220, 70787), (284, 54835), (355, 43868), (710, 21934), (781, 19940), (997, 15620), (1420, 10967), (1562, 9970), (1994, 7810), (3124, 4985), (3905, 3988)]