27811640

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{8377}}^1$

素因数の和:8471

約数の個数: 32

約数和(自身を含む): 63337680

約数和(自身を除く): 35526040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 8377, 16754, 33508, 41885, 67016, 83770, 167540, 335080, 695291, 1390582, 2781164, 3476455, 5562328, 6952910, 13905820, 27811640]

約数ペア:

[(1, 27811640), (2, 13905820), (4, 6952910), (5, 5562328), (8, 3476455), (10, 2781164), (20, 1390582), (40, 695291), (83, 335080), (166, 167540), (332, 83770), (415, 67016), (664, 41885), (830, 33508), (1660, 16754), (3320, 8377)]