200560

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:145

約数の個数: 40

約数和(自身を含む): 491040

約数和(自身を除く): 290480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 109, 115, 184, 218, 230, 368, 436, 460, 545, 872, 920, 1090, 1744, 1840, 2180, 2507, 4360, 5014, 8720, 10028, 12535, 20056, 25070, 40112, 50140, 100280, 200560]

約数ペア:

[(1, 200560), (2, 100280), (4, 50140), (5, 40112), (8, 25070), (10, 20056), (16, 12535), (20, 10028), (23, 8720), (40, 5014), (46, 4360), (80, 2507), (92, 2180), (109, 1840), (115, 1744), (184, 1090), (218, 920), (230, 872), (368, 545), (436, 460)]