7896080

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1109}}^1$

素因数の和:1211

約数の個数: 40

約数和(自身を含む): 18581400

約数和(自身を除く): 10685320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1109, 1424, 1780, 2218, 3560, 4436, 5545, 7120, 8872, 11090, 17744, 22180, 44360, 88720, 98701, 197402, 394804, 493505, 789608, 987010, 1579216, 1974020, 3948040, 7896080]

約数ペア:

[(1, 7896080), (2, 3948040), (4, 1974020), (5, 1579216), (8, 987010), (10, 789608), (16, 493505), (20, 394804), (40, 197402), (80, 98701), (89, 88720), (178, 44360), (356, 22180), (445, 17744), (712, 11090), (890, 8872), (1109, 7120), (1424, 5545), (1780, 4436), (2218, 3560)]