8371840

素因数分解:

$2^7\times 5^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 20367360

約数和(自身を除く): 11995520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 127, 128, 160, 206, 254, 320, 412, 508, 515, 635, 640, 824, 1016, 1030, 1270, 1648, 2032, 2060, 2540, 3296, 4064, 4120, 5080, 6592, 8128, 8240, 10160, 13081, 13184, 16256, 16480, 20320, 26162, 32960, 40640, 52324, 65405, 65920, 81280, 104648, 130810, 209296, 261620, 418592, 523240, 837184, 1046480, 1674368, 2092960, 4185920, 8371840]

約数ペア:

[(1, 8371840), (2, 4185920), (4, 2092960), (5, 1674368), (8, 1046480), (10, 837184), (16, 523240), (20, 418592), (32, 261620), (40, 209296), (64, 130810), (80, 104648), (103, 81280), (127, 65920), (128, 65405), (160, 52324), (206, 40640), (254, 32960), (320, 26162), (412, 20320), (508, 16480), (515, 16256), (635, 13184), (640, 13081), (824, 10160), (1016, 8240), (1030, 8128), (1270, 6592), (1648, 5080), (2032, 4120), (2060, 4064), (2540, 3296)]