28352480

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:388

約数の個数: 96

約数和(自身を含む): 74045664

約数和(自身を除く): 45693184

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, 317, 344, 416, 430, 520, 559, 634, 688, 860, 1040, 1118, 1268, 1376, 1585, 1720, 2080, 2236, 2536, 2795, 3170, 3440, 4121, 4472, 5072, 5590, 6340, 6880, 8242, 8944, 10144, 11180, 12680, 13631, 16484, 17888, 20605, 22360, 25360, 27262, 32968, 41210, 44720, 50720, 54524, 65936, 68155, 82420, 89440, 109048, 131872, 136310, 164840, 177203, 218096, 272620, 329680, 354406, 436192, 545240, 659360, 708812, 886015, 1090480, 1417624, 1772030, 2180960, 2835248, 3544060, 5670496, 7088120, 14176240, 28352480]

約数ペア:

[(1, 28352480), (2, 14176240), (4, 7088120), (5, 5670496), (8, 3544060), (10, 2835248), (13, 2180960), (16, 1772030), (20, 1417624), (26, 1090480), (32, 886015), (40, 708812), (43, 659360), (52, 545240), (65, 436192), (80, 354406), (86, 329680), (104, 272620), (130, 218096), (160, 177203), (172, 164840), (208, 136310), (215, 131872), (260, 109048), (317, 89440), (344, 82420), (416, 68155), (430, 65936), (520, 54524), (559, 50720), (634, 44720), (688, 41210), (860, 32968), (1040, 27262), (1118, 25360), (1268, 22360), (1376, 20605), (1585, 17888), (1720, 16484), (2080, 13631), (2236, 12680), (2536, 11180), (2795, 10144), (3170, 8944), (3440, 8242), (4121, 6880), (4472, 6340), (5072, 5590)]