47578640

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{13831}}^1$

素因数の和:13887

約数の個数: 40

約数和(自身を含む): 113201088

約数和(自身を除く): 65622448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 13831, 27662, 55324, 69155, 110648, 138310, 221296, 276620, 553240, 594733, 1106480, 1189466, 2378932, 2973665, 4757864, 5947330, 9515728, 11894660, 23789320, 47578640]

約数ペア:

[(1, 47578640), (2, 23789320), (4, 11894660), (5, 9515728), (8, 5947330), (10, 4757864), (16, 2973665), (20, 2378932), (40, 1189466), (43, 1106480), (80, 594733), (86, 553240), (172, 276620), (215, 221296), (344, 138310), (430, 110648), (688, 69155), (860, 55324), (1720, 27662), (3440, 13831)]