64828280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{587}}^1$

素因数の和:860

約数の個数: 64

約数和(自身を含む): 160030080

約数和(自身を除く): 95201800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 251, 440, 502, 587, 1004, 1174, 1255, 2008, 2348, 2510, 2761, 2935, 4696, 5020, 5522, 5870, 6457, 10040, 11044, 11740, 12914, 13805, 22088, 23480, 25828, 27610, 32285, 51656, 55220, 64570, 110440, 129140, 147337, 258280, 294674, 589348, 736685, 1178696, 1473370, 1620707, 2946740, 3241414, 5893480, 6482828, 8103535, 12965656, 16207070, 32414140, 64828280]

約数ペア:

[(1, 64828280), (2, 32414140), (4, 16207070), (5, 12965656), (8, 8103535), (10, 6482828), (11, 5893480), (20, 3241414), (22, 2946740), (40, 1620707), (44, 1473370), (55, 1178696), (88, 736685), (110, 589348), (220, 294674), (251, 258280), (440, 147337), (502, 129140), (587, 110440), (1004, 64570), (1174, 55220), (1255, 51656), (2008, 32285), (2348, 27610), (2510, 25828), (2761, 23480), (2935, 22088), (4696, 13805), (5020, 12914), (5522, 11740), (5870, 11044), (6457, 10040)]