81087584

素因数分解:

$2^5\times {\mathrm{991}}^1\times {\mathrm{2557}}^1$

素因数の和:3558

約数の個数: 24

約数和(自身を含む): 159864768

約数和(自身を除く): 78777184

約数列:

[1, 2, 4, 8, 16, 32, 991, 1982, 2557, 3964, 5114, 7928, 10228, 15856, 20456, 31712, 40912, 81824, 2533987, 5067974, 10135948, 20271896, 40543792, 81087584]

約数ペア:

[(1, 81087584), (2, 40543792), (4, 20271896), (8, 10135948), (16, 5067974), (32, 2533987), (991, 81824), (1982, 40912), (2557, 31712), (3964, 20456), (5114, 15856), (7928, 10228)]