38995840

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:184

約数の個数: 128

約数和(自身を含む): 103672800

約数和(自身を除く): 64676960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 43, 52, 64, 65, 80, 86, 104, 109, 128, 130, 160, 172, 208, 215, 218, 260, 320, 344, 416, 430, 436, 520, 545, 559, 640, 688, 832, 860, 872, 1040, 1090, 1118, 1376, 1417, 1664, 1720, 1744, 2080, 2180, 2236, 2752, 2795, 2834, 3440, 3488, 4160, 4360, 4472, 4687, 5504, 5590, 5668, 6880, 6976, 7085, 8320, 8720, 8944, 9374, 11180, 11336, 13760, 13952, 14170, 17440, 17888, 18748, 22360, 22672, 23435, 27520, 28340, 34880, 35776, 37496, 44720, 45344, 46870, 56680, 60931, 69760, 71552, 74992, 89440, 90688, 93740, 113360, 121862, 149984, 178880, 181376, 187480, 226720, 243724, 299968, 304655, 357760, 374960, 453440, 487448, 599936, 609310, 749920, 906880, 974896, 1218620, 1499840, 1949792, 2437240, 2999680, 3899584, 4874480, 7799168, 9748960, 19497920, 38995840]

約数ペア:

[(1, 38995840), (2, 19497920), (4, 9748960), (5, 7799168), (8, 4874480), (10, 3899584), (13, 2999680), (16, 2437240), (20, 1949792), (26, 1499840), (32, 1218620), (40, 974896), (43, 906880), (52, 749920), (64, 609310), (65, 599936), (80, 487448), (86, 453440), (104, 374960), (109, 357760), (128, 304655), (130, 299968), (160, 243724), (172, 226720), (208, 187480), (215, 181376), (218, 178880), (260, 149984), (320, 121862), (344, 113360), (416, 93740), (430, 90688), (436, 89440), (520, 74992), (545, 71552), (559, 69760), (640, 60931), (688, 56680), (832, 46870), (860, 45344), (872, 44720), (1040, 37496), (1090, 35776), (1118, 34880), (1376, 28340), (1417, 27520), (1664, 23435), (1720, 22672), (1744, 22360), (2080, 18748), (2180, 17888), (2236, 17440), (2752, 14170), (2795, 13952), (2834, 13760), (3440, 11336), (3488, 11180), (4160, 9374), (4360, 8944), (4472, 8720), (4687, 8320), (5504, 7085), (5590, 6976), (5668, 6880)]