23789320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{13831}}^1$

素因数の和:13885

約数の個数: 32

約数和(自身を含む): 54774720

約数和(自身を除く): 30985400

約数列:

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

約数ペア:

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