38548640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:502

約数の個数: 96

約数和(自身を含む): 100590336

約数和(自身を除く): 62041696

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 43, 52, 65, 80, 86, 104, 130, 160, 172, 208, 215, 260, 344, 416, 430, 431, 520, 559, 688, 860, 862, 1040, 1118, 1376, 1720, 1724, 2080, 2155, 2236, 2795, 3440, 3448, 4310, 4472, 5590, 5603, 6880, 6896, 8620, 8944, 11180, 11206, 13792, 17240, 17888, 18533, 22360, 22412, 28015, 34480, 37066, 44720, 44824, 56030, 68960, 74132, 89440, 89648, 92665, 112060, 148264, 179296, 185330, 224120, 240929, 296528, 370660, 448240, 481858, 593056, 741320, 896480, 963716, 1204645, 1482640, 1927432, 2409290, 2965280, 3854864, 4818580, 7709728, 9637160, 19274320, 38548640]

約数ペア:

[(1, 38548640), (2, 19274320), (4, 9637160), (5, 7709728), (8, 4818580), (10, 3854864), (13, 2965280), (16, 2409290), (20, 1927432), (26, 1482640), (32, 1204645), (40, 963716), (43, 896480), (52, 741320), (65, 593056), (80, 481858), (86, 448240), (104, 370660), (130, 296528), (160, 240929), (172, 224120), (208, 185330), (215, 179296), (260, 148264), (344, 112060), (416, 92665), (430, 89648), (431, 89440), (520, 74132), (559, 68960), (688, 56030), (860, 44824), (862, 44720), (1040, 37066), (1118, 34480), (1376, 28015), (1720, 22412), (1724, 22360), (2080, 18533), (2155, 17888), (2236, 17240), (2795, 13792), (3440, 11206), (3448, 11180), (4310, 8944), (4472, 8620), (5590, 6896), (5603, 6880)]