89668760

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1409}}^1$

素因数の和:1500

約数の個数: 64

約数和(自身を含む): 212176800

約数和(自身を除く): 122508040

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 43, 74, 86, 148, 172, 185, 215, 296, 344, 370, 430, 740, 860, 1409, 1480, 1591, 1720, 2818, 3182, 5636, 6364, 7045, 7955, 11272, 12728, 14090, 15910, 28180, 31820, 52133, 56360, 60587, 63640, 104266, 121174, 208532, 242348, 260665, 302935, 417064, 484696, 521330, 605870, 1042660, 1211740, 2085320, 2241719, 2423480, 4483438, 8966876, 11208595, 17933752, 22417190, 44834380, 89668760]

約数ペア:

[(1, 89668760), (2, 44834380), (4, 22417190), (5, 17933752), (8, 11208595), (10, 8966876), (20, 4483438), (37, 2423480), (40, 2241719), (43, 2085320), (74, 1211740), (86, 1042660), (148, 605870), (172, 521330), (185, 484696), (215, 417064), (296, 302935), (344, 260665), (370, 242348), (430, 208532), (740, 121174), (860, 104266), (1409, 63640), (1480, 60587), (1591, 56360), (1720, 52133), (2818, 31820), (3182, 28180), (5636, 15910), (6364, 14090), (7045, 12728), (7955, 11272)]