55718920

素因数分解:

$2^3\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{1367}}^1$

素因数の和:2397

約数の個数: 32

約数和(自身を含む): 125582400

約数和(自身を除く): 69863480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1019, 1367, 2038, 2734, 4076, 5095, 5468, 6835, 8152, 10190, 10936, 13670, 20380, 27340, 40760, 54680, 1392973, 2785946, 5571892, 6964865, 11143784, 13929730, 27859460, 55718920]

約数ペア:

[(1, 55718920), (2, 27859460), (4, 13929730), (5, 11143784), (8, 6964865), (10, 5571892), (20, 2785946), (40, 1392973), (1019, 54680), (1367, 40760), (2038, 27340), (2734, 20380), (4076, 13670), (5095, 10936), (5468, 10190), (6835, 8152)]