12881660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{5323}}^1$

素因数の和:5354

約数の個数: 36

約数和(自身を含む): 29739864

約数和(自身を除く): 16858204

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 5323, 10646, 21292, 26615, 53230, 58553, 106460, 117106, 234212, 292765, 585530, 644083, 1171060, 1288166, 2576332, 3220415, 6440830, 12881660]

約数ペア:

[(1, 12881660), (2, 6440830), (4, 3220415), (5, 2576332), (10, 1288166), (11, 1171060), (20, 644083), (22, 585530), (44, 292765), (55, 234212), (110, 117106), (121, 106460), (220, 58553), (242, 53230), (484, 26615), (605, 21292), (1210, 10646), (2420, 5323)]