2122480

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{617}}^1$

素因数の和:673

約数の個数: 40

約数和(自身を含む): 5057712

約数和(自身を除く): 2935232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 617, 688, 860, 1234, 1720, 2468, 3085, 3440, 4936, 6170, 9872, 12340, 24680, 26531, 49360, 53062, 106124, 132655, 212248, 265310, 424496, 530620, 1061240, 2122480]

約数ペア:

[(1, 2122480), (2, 1061240), (4, 530620), (5, 424496), (8, 265310), (10, 212248), (16, 132655), (20, 106124), (40, 53062), (43, 49360), (80, 26531), (86, 24680), (172, 12340), (215, 9872), (344, 6170), (430, 4936), (617, 3440), (688, 3085), (860, 2468), (1234, 1720)]