8657080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{439}}^1$

素因数の和:496

約数の個数: 64

約数和(自身を含む): 21384000

約数和(自身を除く): 12726920

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 34, 40, 58, 68, 85, 116, 136, 145, 170, 232, 290, 340, 439, 493, 580, 680, 878, 986, 1160, 1756, 1972, 2195, 2465, 3512, 3944, 4390, 4930, 7463, 8780, 9860, 12731, 14926, 17560, 19720, 25462, 29852, 37315, 50924, 59704, 63655, 74630, 101848, 127310, 149260, 216427, 254620, 298520, 432854, 509240, 865708, 1082135, 1731416, 2164270, 4328540, 8657080]

約数ペア:

[(1, 8657080), (2, 4328540), (4, 2164270), (5, 1731416), (8, 1082135), (10, 865708), (17, 509240), (20, 432854), (29, 298520), (34, 254620), (40, 216427), (58, 149260), (68, 127310), (85, 101848), (116, 74630), (136, 63655), (145, 59704), (170, 50924), (232, 37315), (290, 29852), (340, 25462), (439, 19720), (493, 17560), (580, 14926), (680, 12731), (878, 9860), (986, 8780), (1160, 7463), (1756, 4930), (1972, 4390), (2195, 3944), (2465, 3512)]