28521760

素因数分解:

$2^5\times 5^1\times {\mathrm{178261}}^1$

素因数の和:178276

約数の個数: 24

約数和(自身を含む): 67383036

約数和(自身を除く): 38861276

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 178261, 356522, 713044, 891305, 1426088, 1782610, 2852176, 3565220, 5704352, 7130440, 14260880, 28521760]

約数ペア:

[(1, 28521760), (2, 14260880), (4, 7130440), (5, 5704352), (8, 3565220), (10, 2852176), (16, 1782610), (20, 1426088), (32, 891305), (40, 713044), (80, 356522), (160, 178261)]