100280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:143

約数の個数: 32

約数和(自身を含む): 237600

約数和(自身を除く): 137320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 109, 115, 184, 218, 230, 436, 460, 545, 872, 920, 1090, 2180, 2507, 4360, 5014, 10028, 12535, 20056, 25070, 50140, 100280]

約数ペア:

[(1, 100280), (2, 50140), (4, 25070), (5, 20056), (8, 12535), (10, 10028), (20, 5014), (23, 4360), (40, 2507), (46, 2180), (92, 1090), (109, 920), (115, 872), (184, 545), (218, 460), (230, 436)]