2573804560

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{748199}}^1$

素因数の和:748255

約数の個数: 40

約数和(自身を含む): 6123268800

約数和(自身を除く): 3549464240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 748199, 1496398, 2992796, 3740995, 5985592, 7481990, 11971184, 14963980, 29927960, 32172557, 59855920, 64345114, 128690228, 160862785, 257380456, 321725570, 514760912, 643451140, 1286902280, 2573804560]

約数ペア:

[(1, 2573804560), (2, 1286902280), (4, 643451140), (5, 514760912), (8, 321725570), (10, 257380456), (16, 160862785), (20, 128690228), (40, 64345114), (43, 59855920), (80, 32172557), (86, 29927960), (172, 14963980), (215, 11971184), (344, 7481990), (430, 5985592), (688, 3740995), (860, 2992796), (1720, 1496398), (3440, 748199)]