54857680

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:524

約数の個数: 80

約数和(自身を含む): 134348544

約数和(自身を除く): 79490864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 43, 74, 80, 86, 148, 172, 185, 215, 296, 344, 370, 430, 431, 592, 688, 740, 860, 862, 1480, 1591, 1720, 1724, 2155, 2960, 3182, 3440, 3448, 4310, 6364, 6896, 7955, 8620, 12728, 15910, 15947, 17240, 18533, 25456, 31820, 31894, 34480, 37066, 63640, 63788, 74132, 79735, 92665, 127280, 127576, 148264, 159470, 185330, 255152, 296528, 318940, 370660, 637880, 685721, 741320, 1275760, 1371442, 1482640, 2742884, 3428605, 5485768, 6857210, 10971536, 13714420, 27428840, 54857680]

約数ペア:

[(1, 54857680), (2, 27428840), (4, 13714420), (5, 10971536), (8, 6857210), (10, 5485768), (16, 3428605), (20, 2742884), (37, 1482640), (40, 1371442), (43, 1275760), (74, 741320), (80, 685721), (86, 637880), (148, 370660), (172, 318940), (185, 296528), (215, 255152), (296, 185330), (344, 159470), (370, 148264), (430, 127576), (431, 127280), (592, 92665), (688, 79735), (740, 74132), (860, 63788), (862, 63640), (1480, 37066), (1591, 34480), (1720, 31894), (1724, 31820), (2155, 25456), (2960, 18533), (3182, 17240), (3440, 15947), (3448, 15910), (4310, 12728), (6364, 8620), (6896, 7955)]