27391240

素因数分解:

$2^3\times 5^1\times {\mathrm{691}}^1\times {\mathrm{991}}^1$

素因数の和:1693

約数の個数: 32

約数和(自身を含む): 61781760

約数和(自身を除く): 34390520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 691, 991, 1382, 1982, 2764, 3455, 3964, 4955, 5528, 6910, 7928, 9910, 13820, 19820, 27640, 39640, 684781, 1369562, 2739124, 3423905, 5478248, 6847810, 13695620, 27391240]

約数ペア:

[(1, 27391240), (2, 13695620), (4, 6847810), (5, 5478248), (8, 3423905), (10, 2739124), (20, 1369562), (40, 684781), (691, 39640), (991, 27640), (1382, 19820), (1982, 13820), (2764, 9910), (3455, 7928), (3964, 6910), (4955, 5528)]