86851640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{337}}^1\times {\mathrm{379}}^1$

素因数の和:744

約数の個数: 64

約数和(自身を含む): 208072800

約数和(自身を除く): 121221160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 337, 340, 379, 674, 680, 758, 1348, 1516, 1685, 1895, 2696, 3032, 3370, 3790, 5729, 6443, 6740, 7580, 11458, 12886, 13480, 15160, 22916, 25772, 28645, 32215, 45832, 51544, 57290, 64430, 114580, 127723, 128860, 229160, 255446, 257720, 510892, 638615, 1021784, 1277230, 2171291, 2554460, 4342582, 5108920, 8685164, 10856455, 17370328, 21712910, 43425820, 86851640]

約数ペア:

[(1, 86851640), (2, 43425820), (4, 21712910), (5, 17370328), (8, 10856455), (10, 8685164), (17, 5108920), (20, 4342582), (34, 2554460), (40, 2171291), (68, 1277230), (85, 1021784), (136, 638615), (170, 510892), (337, 257720), (340, 255446), (379, 229160), (674, 128860), (680, 127723), (758, 114580), (1348, 64430), (1516, 57290), (1685, 51544), (1895, 45832), (2696, 32215), (3032, 28645), (3370, 25772), (3790, 22916), (5729, 15160), (6443, 13480), (6740, 12886), (7580, 11458)]