8840440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31573}}^1$

素因数の和:31591

約数の個数: 32

約数和(自身を含む): 22733280

約数和(自身を除く): 13892840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 31573, 63146, 126292, 157865, 221011, 252584, 315730, 442022, 631460, 884044, 1105055, 1262920, 1768088, 2210110, 4420220, 8840440]

約数ペア:

[(1, 8840440), (2, 4420220), (4, 2210110), (5, 1768088), (7, 1262920), (8, 1105055), (10, 884044), (14, 631460), (20, 442022), (28, 315730), (35, 252584), (40, 221011), (56, 157865), (70, 126292), (140, 63146), (280, 31573)]