80657360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{144031}}^1$

素因数の和:144051

約数の個数: 40

約数和(自身を含む): 214319616

約数和(自身を除く): 133662256

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 144031, 288062, 576124, 720155, 1008217, 1152248, 1440310, 2016434, 2304496, 2880620, 4032868, 5041085, 5761240, 8065736, 10082170, 11522480, 16131472, 20164340, 40328680, 80657360]

約数ペア:

[(1, 80657360), (2, 40328680), (4, 20164340), (5, 16131472), (7, 11522480), (8, 10082170), (10, 8065736), (14, 5761240), (16, 5041085), (20, 4032868), (28, 2880620), (35, 2304496), (40, 2016434), (56, 1440310), (70, 1152248), (80, 1008217), (112, 720155), (140, 576124), (280, 288062), (560, 144031)]