26811640

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{12647}}^1$

素因数の和:12711

約数の個数: 32

約数和(自身を含む): 61469280

約数和(自身を除く): 34657640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 12647, 25294, 50588, 63235, 101176, 126470, 252940, 505880, 670291, 1340582, 2681164, 3351455, 5362328, 6702910, 13405820, 26811640]

約数ペア:

[(1, 26811640), (2, 13405820), (4, 6702910), (5, 5362328), (8, 3351455), (10, 2681164), (20, 1340582), (40, 670291), (53, 505880), (106, 252940), (212, 126470), (265, 101176), (424, 63235), (530, 50588), (1060, 25294), (2120, 12647)]