7925116720

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{10331}}^1$

素因数の和:10610

約数の個数: 80

約数和(自身を含む): 18940787712

約数和(自身を除く): 11015670992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 223, 344, 430, 446, 688, 860, 892, 1115, 1720, 1784, 2230, 3440, 3568, 4460, 8920, 9589, 10331, 17840, 19178, 20662, 38356, 41324, 47945, 51655, 76712, 82648, 95890, 103310, 153424, 165296, 191780, 206620, 383560, 413240, 444233, 767120, 826480, 888466, 1776932, 2221165, 2303813, 3553864, 4442330, 4607626, 7107728, 8884660, 9215252, 11519065, 17769320, 18430504, 23038130, 35538640, 36861008, 46076260, 92152520, 99063959, 184305040, 198127918, 396255836, 495319795, 792511672, 990639590, 1585023344, 1981279180, 3962558360, 7925116720]

約数ペア:

[(1, 7925116720), (2, 3962558360), (4, 1981279180), (5, 1585023344), (8, 990639590), (10, 792511672), (16, 495319795), (20, 396255836), (40, 198127918), (43, 184305040), (80, 99063959), (86, 92152520), (172, 46076260), (215, 36861008), (223, 35538640), (344, 23038130), (430, 18430504), (446, 17769320), (688, 11519065), (860, 9215252), (892, 8884660), (1115, 7107728), (1720, 4607626), (1784, 4442330), (2230, 3553864), (3440, 2303813), (3568, 2221165), (4460, 1776932), (8920, 888466), (9589, 826480), (10331, 767120), (17840, 444233), (19178, 413240), (20662, 383560), (38356, 206620), (41324, 191780), (47945, 165296), (51655, 153424), (76712, 103310), (82648, 95890)]