15957408080

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2241209}}^1$

素因数の和:2241311

約数の個数: 40

約数和(自身を含む): 37517855400

約数和(自身を除く): 21560447320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 2241209, 4482418, 8964836, 11206045, 17929672, 22412090, 35859344, 44824180, 89648360, 179296720, 199467601, 398935202, 797870404, 997338005, 1595740808, 1994676010, 3191481616, 3989352020, 7978704040, 15957408080]

約数ペア:

[(1, 15957408080), (2, 7978704040), (4, 3989352020), (5, 3191481616), (8, 1994676010), (10, 1595740808), (16, 997338005), (20, 797870404), (40, 398935202), (80, 199467601), (89, 179296720), (178, 89648360), (356, 44824180), (445, 35859344), (712, 22412090), (890, 17929672), (1424, 11206045), (1780, 8964836), (3560, 4482418), (7120, 2241209)]