91266640

素因数分解:

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

素因数の和:716

約数の個数: 60

約数和(自身を含む): 217596564

約数和(自身を除く): 126329924

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 617, 688, 860, 1234, 1720, 1849, 2468, 3085, 3440, 3698, 4936, 6170, 7396, 9245, 9872, 12340, 14792, 18490, 24680, 26531, 29584, 36980, 49360, 53062, 73960, 106124, 132655, 147920, 212248, 265310, 424496, 530620, 1061240, 1140833, 2122480, 2281666, 4563332, 5704165, 9126664, 11408330, 18253328, 22816660, 45633320, 91266640]

約数ペア:

[(1, 91266640), (2, 45633320), (4, 22816660), (5, 18253328), (8, 11408330), (10, 9126664), (16, 5704165), (20, 4563332), (40, 2281666), (43, 2122480), (80, 1140833), (86, 1061240), (172, 530620), (215, 424496), (344, 265310), (430, 212248), (617, 147920), (688, 132655), (860, 106124), (1234, 73960), (1720, 53062), (1849, 49360), (2468, 36980), (3085, 29584), (3440, 26531), (3698, 24680), (4936, 18490), (6170, 14792), (7396, 12340), (9245, 9872)]