129928040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{295291}}^1$

素因数の和:295313

約数の個数: 32

約数和(自身を含む): 318915360

約数和(自身を除く): 188987320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 295291, 590582, 1181164, 1476455, 2362328, 2952910, 3248201, 5905820, 6496402, 11811640, 12992804, 16241005, 25985608, 32482010, 64964020, 129928040]

約数ペア:

[(1, 129928040), (2, 64964020), (4, 32482010), (5, 25985608), (8, 16241005), (10, 12992804), (11, 11811640), (20, 6496402), (22, 5905820), (40, 3248201), (44, 2952910), (55, 2362328), (88, 1476455), (110, 1181164), (220, 590582), (440, 295291)]