78796640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{881}}^1$

素因数の和:952

約数の個数: 96

約数和(自身を含む): 205371936

約数和(自身を除く): 126575296

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, 520, 559, 688, 860, 881, 1040, 1118, 1376, 1720, 1762, 2080, 2236, 2795, 3440, 3524, 4405, 4472, 5590, 6880, 7048, 8810, 8944, 11180, 11453, 14096, 17620, 17888, 22360, 22906, 28192, 35240, 37883, 44720, 45812, 57265, 70480, 75766, 89440, 91624, 114530, 140960, 151532, 183248, 189415, 229060, 303064, 366496, 378830, 458120, 492479, 606128, 757660, 916240, 984958, 1212256, 1515320, 1832480, 1969916, 2462395, 3030640, 3939832, 4924790, 6061280, 7879664, 9849580, 15759328, 19699160, 39398320, 78796640]

約数ペア:

[(1, 78796640), (2, 39398320), (4, 19699160), (5, 15759328), (8, 9849580), (10, 7879664), (13, 6061280), (16, 4924790), (20, 3939832), (26, 3030640), (32, 2462395), (40, 1969916), (43, 1832480), (52, 1515320), (65, 1212256), (80, 984958), (86, 916240), (104, 757660), (130, 606128), (160, 492479), (172, 458120), (208, 378830), (215, 366496), (260, 303064), (344, 229060), (416, 189415), (430, 183248), (520, 151532), (559, 140960), (688, 114530), (860, 91624), (881, 89440), (1040, 75766), (1118, 70480), (1376, 57265), (1720, 45812), (1762, 44720), (2080, 37883), (2236, 35240), (2795, 28192), (3440, 22906), (3524, 22360), (4405, 17888), (4472, 17620), (5590, 14096), (6880, 11453), (7048, 11180), (8810, 8944)]