55533880

素因数分解:

$2^3\times 5^1\times {\mathrm{347}}^1\times {\mathrm{4001}}^1$

素因数の和:4359

約数の個数: 32

約数和(自身を含む): 125342640

約数和(自身を除く): 69808760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 347, 694, 1388, 1735, 2776, 3470, 4001, 6940, 8002, 13880, 16004, 20005, 32008, 40010, 80020, 160040, 1388347, 2776694, 5553388, 6941735, 11106776, 13883470, 27766940, 55533880]

約数ペア:

[(1, 55533880), (2, 27766940), (4, 13883470), (5, 11106776), (8, 6941735), (10, 5553388), (20, 2776694), (40, 1388347), (347, 160040), (694, 80020), (1388, 40010), (1735, 32008), (2776, 20005), (3470, 16004), (4001, 13880), (6940, 8002)]