28110440

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{8467}}^1$

素因数の和:8561

約数の個数: 32

約数和(自身を含む): 64018080

約数和(自身を除く): 35907640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 8467, 16934, 33868, 42335, 67736, 84670, 169340, 338680, 702761, 1405522, 2811044, 3513805, 5622088, 7027610, 14055220, 28110440]

約数ペア:

[(1, 28110440), (2, 14055220), (4, 7027610), (5, 5622088), (8, 3513805), (10, 2811044), (20, 1405522), (40, 702761), (83, 338680), (166, 169340), (332, 84670), (415, 67736), (664, 42335), (830, 33868), (1660, 16934), (3320, 8467)]