65815640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1481}}^1$

素因数の和:1604

約数の個数: 64

約数和(自身を含む): 163257120

約数和(自身を除く): 97441480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 101, 110, 202, 220, 404, 440, 505, 808, 1010, 1111, 1481, 2020, 2222, 2962, 4040, 4444, 5555, 5924, 7405, 8888, 11110, 11848, 14810, 16291, 22220, 29620, 32582, 44440, 59240, 65164, 81455, 130328, 149581, 162910, 299162, 325820, 598324, 651640, 747905, 1196648, 1495810, 1645391, 2991620, 3290782, 5983240, 6581564, 8226955, 13163128, 16453910, 32907820, 65815640]

約数ペア:

[(1, 65815640), (2, 32907820), (4, 16453910), (5, 13163128), (8, 8226955), (10, 6581564), (11, 5983240), (20, 3290782), (22, 2991620), (40, 1645391), (44, 1495810), (55, 1196648), (88, 747905), (101, 651640), (110, 598324), (202, 325820), (220, 299162), (404, 162910), (440, 149581), (505, 130328), (808, 81455), (1010, 65164), (1111, 59240), (1481, 44440), (2020, 32582), (2222, 29620), (2962, 22220), (4040, 16291), (4444, 14810), (5555, 11848), (5924, 11110), (7405, 8888)]