27628880

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{11909}}^1$

素因数の和:11951

約数の個数: 40

約数和(自身を含む): 66457800

約数和(自身を除く): 38828920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 11909, 23818, 47636, 59545, 95272, 119090, 190544, 238180, 345361, 476360, 690722, 952720, 1381444, 1726805, 2762888, 3453610, 5525776, 6907220, 13814440, 27628880]

約数ペア:

[(1, 27628880), (2, 13814440), (4, 6907220), (5, 5525776), (8, 3453610), (10, 2762888), (16, 1726805), (20, 1381444), (29, 952720), (40, 690722), (58, 476360), (80, 345361), (116, 238180), (145, 190544), (232, 119090), (290, 95272), (464, 59545), (580, 47636), (1160, 23818), (2320, 11909)]