47922640

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{13931}}^1$

素因数の和:13987

約数の個数: 40

約数和(自身を含む): 114019488

約数和(自身を除く): 66096848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 13931, 27862, 55724, 69655, 111448, 139310, 222896, 278620, 557240, 599033, 1114480, 1198066, 2396132, 2995165, 4792264, 5990330, 9584528, 11980660, 23961320, 47922640]

約数ペア:

[(1, 47922640), (2, 23961320), (4, 11980660), (5, 9584528), (8, 5990330), (10, 4792264), (16, 2995165), (20, 2396132), (40, 1198066), (43, 1114480), (80, 599033), (86, 557240), (172, 278620), (215, 222896), (344, 139310), (430, 111448), (688, 69655), (860, 55724), (1720, 27862), (3440, 13931)]