86627440

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{20431}}^1$

素因数の和:20497

約数の個数: 40

約数和(自身を含む): 205219008

約数和(自身を除く): 118591568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 20431, 40862, 81724, 102155, 163448, 204310, 326896, 408620, 817240, 1082843, 1634480, 2165686, 4331372, 5414215, 8662744, 10828430, 17325488, 21656860, 43313720, 86627440]

約数ペア:

[(1, 86627440), (2, 43313720), (4, 21656860), (5, 17325488), (8, 10828430), (10, 8662744), (16, 5414215), (20, 4331372), (40, 2165686), (53, 1634480), (80, 1082843), (106, 817240), (212, 408620), (265, 326896), (424, 204310), (530, 163448), (848, 102155), (1060, 81724), (2120, 40862), (4240, 20431)]