56283560

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^2\times {\mathrm{761}}^1$

素因数の和:858

約数の個数: 48

約数和(自身を含む): 129821940

約数和(自身を除く): 73538380

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 761, 860, 1522, 1720, 1849, 3044, 3698, 3805, 6088, 7396, 7610, 9245, 14792, 15220, 18490, 30440, 32723, 36980, 65446, 73960, 130892, 163615, 261784, 327230, 654460, 1308920, 1407089, 2814178, 5628356, 7035445, 11256712, 14070890, 28141780, 56283560]

約数ペア:

[(1, 56283560), (2, 28141780), (4, 14070890), (5, 11256712), (8, 7035445), (10, 5628356), (20, 2814178), (40, 1407089), (43, 1308920), (86, 654460), (172, 327230), (215, 261784), (344, 163615), (430, 130892), (761, 73960), (860, 65446), (1522, 36980), (1720, 32723), (1849, 30440), (3044, 18490), (3698, 15220), (3805, 14792), (6088, 9245), (7396, 7610)]