28689560

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{3001}}^1$

素因数の和:3251

約数の個数: 32

約数和(自身を含む): 64843200

約数和(自身を除く): 36153640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 3001, 4780, 6002, 9560, 12004, 15005, 24008, 30010, 60020, 120040, 717239, 1434478, 2868956, 3586195, 5737912, 7172390, 14344780, 28689560]

約数ペア:

[(1, 28689560), (2, 14344780), (4, 7172390), (5, 5737912), (8, 3586195), (10, 2868956), (20, 1434478), (40, 717239), (239, 120040), (478, 60020), (956, 30010), (1195, 24008), (1912, 15005), (2390, 12004), (3001, 9560), (4780, 6002)]