27999320

素因数分解:

$2^3\times 5^1\times {\mathrm{691}}^1\times {\mathrm{1013}}^1$

素因数の和:1715

約数の個数: 32

約数和(自身を含む): 63151920

約数和(自身を除く): 35152600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 691, 1013, 1382, 2026, 2764, 3455, 4052, 5065, 5528, 6910, 8104, 10130, 13820, 20260, 27640, 40520, 699983, 1399966, 2799932, 3499915, 5599864, 6999830, 13999660, 27999320]

約数ペア:

[(1, 27999320), (2, 13999660), (4, 6999830), (5, 5599864), (8, 3499915), (10, 2799932), (20, 1399966), (40, 699983), (691, 40520), (1013, 27640), (1382, 20260), (2026, 13820), (2764, 10130), (3455, 8104), (4052, 6910), (5065, 5528)]