28344280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{30809}}^1$

素因数の和:30843

約数の個数: 32

約数和(自身を含む): 66549600

約数和(自身を除く): 38205320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 30809, 61618, 123236, 154045, 246472, 308090, 616180, 708607, 1232360, 1417214, 2834428, 3543035, 5668856, 7086070, 14172140, 28344280]

約数ペア:

[(1, 28344280), (2, 14172140), (4, 7086070), (5, 5668856), (8, 3543035), (10, 2834428), (20, 1417214), (23, 1232360), (40, 708607), (46, 616180), (92, 308090), (115, 246472), (184, 154045), (230, 123236), (460, 61618), (920, 30809)]