40426880

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:188

約数の個数: 128

約数和(自身を含む): 107442720

約数和(自身を除く): 67015840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 43, 52, 64, 65, 80, 86, 104, 113, 128, 130, 160, 172, 208, 215, 226, 260, 320, 344, 416, 430, 452, 520, 559, 565, 640, 688, 832, 860, 904, 1040, 1118, 1130, 1376, 1469, 1664, 1720, 1808, 2080, 2236, 2260, 2752, 2795, 2938, 3440, 3616, 4160, 4472, 4520, 4859, 5504, 5590, 5876, 6880, 7232, 7345, 8320, 8944, 9040, 9718, 11180, 11752, 13760, 14464, 14690, 17888, 18080, 19436, 22360, 23504, 24295, 27520, 29380, 35776, 36160, 38872, 44720, 47008, 48590, 58760, 63167, 71552, 72320, 77744, 89440, 94016, 97180, 117520, 126334, 155488, 178880, 188032, 194360, 235040, 252668, 310976, 315835, 357760, 388720, 470080, 505336, 621952, 631670, 777440, 940160, 1010672, 1263340, 1554880, 2021344, 2526680, 3109760, 4042688, 5053360, 8085376, 10106720, 20213440, 40426880]

約数ペア:

[(1, 40426880), (2, 20213440), (4, 10106720), (5, 8085376), (8, 5053360), (10, 4042688), (13, 3109760), (16, 2526680), (20, 2021344), (26, 1554880), (32, 1263340), (40, 1010672), (43, 940160), (52, 777440), (64, 631670), (65, 621952), (80, 505336), (86, 470080), (104, 388720), (113, 357760), (128, 315835), (130, 310976), (160, 252668), (172, 235040), (208, 194360), (215, 188032), (226, 178880), (260, 155488), (320, 126334), (344, 117520), (416, 97180), (430, 94016), (452, 89440), (520, 77744), (559, 72320), (565, 71552), (640, 63167), (688, 58760), (832, 48590), (860, 47008), (904, 44720), (1040, 38872), (1118, 36160), (1130, 35776), (1376, 29380), (1469, 27520), (1664, 24295), (1720, 23504), (1808, 22360), (2080, 19436), (2236, 18080), (2260, 17888), (2752, 14690), (2795, 14464), (2938, 13760), (3440, 11752), (3616, 11180), (4160, 9718), (4472, 9040), (4520, 8944), (4859, 8320), (5504, 7345), (5590, 7232), (5876, 6880)]