80200520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{105527}}^1$

素因数の和:105557

約数の個数: 32

約数和(自身を含む): 189950400

約数和(自身を除く): 109749880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 105527, 211054, 422108, 527635, 844216, 1055270, 2005013, 2110540, 4010026, 4221080, 8020052, 10025065, 16040104, 20050130, 40100260, 80200520]

約数ペア:

[(1, 80200520), (2, 40100260), (4, 20050130), (5, 16040104), (8, 10025065), (10, 8020052), (19, 4221080), (20, 4010026), (38, 2110540), (40, 2005013), (76, 1055270), (95, 844216), (152, 527635), (190, 422108), (380, 211054), (760, 105527)]