13276040

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5441}}^1$

素因数の和:5513

約数の個数: 32

約数和(自身を含む): 30366360

約数和(自身を除く): 17090320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 5441, 10882, 21764, 27205, 43528, 54410, 108820, 217640, 331901, 663802, 1327604, 1659505, 2655208, 3319010, 6638020, 13276040]

約数ペア:

[(1, 13276040), (2, 6638020), (4, 3319010), (5, 2655208), (8, 1659505), (10, 1327604), (20, 663802), (40, 331901), (61, 217640), (122, 108820), (244, 54410), (305, 43528), (488, 27205), (610, 21764), (1220, 10882), (2440, 5441)]