66804320

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37957}}^1$

素因数の和:37983

約数の個数: 48

約数和(自身を含む): 172177488

約数和(自身を除く): 105373168

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 37957, 75914, 151828, 189785, 303656, 379570, 417527, 607312, 759140, 835054, 1214624, 1518280, 1670108, 2087635, 3036560, 3340216, 4175270, 6073120, 6680432, 8350540, 13360864, 16701080, 33402160, 66804320]

約数ペア:

[(1, 66804320), (2, 33402160), (4, 16701080), (5, 13360864), (8, 8350540), (10, 6680432), (11, 6073120), (16, 4175270), (20, 3340216), (22, 3036560), (32, 2087635), (40, 1670108), (44, 1518280), (55, 1214624), (80, 835054), (88, 759140), (110, 607312), (160, 417527), (176, 379570), (220, 303656), (352, 189785), (440, 151828), (880, 75914), (1760, 37957)]