81103460

素因数分解:

$2^2\times 5^1\times {\mathrm{1171}}^1\times {\mathrm{3463}}^1$

素因数の和:4643

約数の個数: 24

約数和(自身を含む): 170511936

約数和(自身を除く): 89408476

約数列:

[1, 2, 4, 5, 10, 20, 1171, 2342, 3463, 4684, 5855, 6926, 11710, 13852, 17315, 23420, 34630, 69260, 4055173, 8110346, 16220692, 20275865, 40551730, 81103460]

約数ペア:

[(1, 81103460), (2, 40551730), (4, 20275865), (5, 16220692), (10, 8110346), (20, 4055173), (1171, 69260), (2342, 34630), (3463, 23420), (4684, 17315), (5855, 13852), (6926, 11710)]