128096800

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:255

約数の個数: 144

約数和(自身を含む): 342868680

約数和(自身を除く): 214771880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 109, 113, 130, 160, 200, 208, 218, 226, 260, 325, 400, 416, 436, 452, 520, 545, 565, 650, 800, 872, 904, 1040, 1090, 1130, 1300, 1417, 1469, 1744, 1808, 2080, 2180, 2260, 2600, 2725, 2825, 2834, 2938, 3488, 3616, 4360, 4520, 5200, 5450, 5650, 5668, 5876, 7085, 7345, 8720, 9040, 10400, 10900, 11300, 11336, 11752, 12317, 14170, 14690, 17440, 18080, 21800, 22600, 22672, 23504, 24634, 28340, 29380, 35425, 36725, 43600, 45200, 45344, 47008, 49268, 56680, 58760, 61585, 70850, 73450, 87200, 90400, 98536, 113360, 117520, 123170, 141700, 146900, 160121, 197072, 226720, 235040, 246340, 283400, 293800, 307925, 320242, 394144, 492680, 566800, 587600, 615850, 640484, 800605, 985360, 1133600, 1175200, 1231700, 1280968, 1601210, 1970720, 2463400, 2561936, 3202420, 4003025, 4926800, 5123872, 6404840, 8006050, 9853600, 12809680, 16012100, 25619360, 32024200, 64048400, 128096800]

約数ペア:

[(1, 128096800), (2, 64048400), (4, 32024200), (5, 25619360), (8, 16012100), (10, 12809680), (13, 9853600), (16, 8006050), (20, 6404840), (25, 5123872), (26, 4926800), (32, 4003025), (40, 3202420), (50, 2561936), (52, 2463400), (65, 1970720), (80, 1601210), (100, 1280968), (104, 1231700), (109, 1175200), (113, 1133600), (130, 985360), (160, 800605), (200, 640484), (208, 615850), (218, 587600), (226, 566800), (260, 492680), (325, 394144), (400, 320242), (416, 307925), (436, 293800), (452, 283400), (520, 246340), (545, 235040), (565, 226720), (650, 197072), (800, 160121), (872, 146900), (904, 141700), (1040, 123170), (1090, 117520), (1130, 113360), (1300, 98536), (1417, 90400), (1469, 87200), (1744, 73450), (1808, 70850), (2080, 61585), (2180, 58760), (2260, 56680), (2600, 49268), (2725, 47008), (2825, 45344), (2834, 45200), (2938, 43600), (3488, 36725), (3616, 35425), (4360, 29380), (4520, 28340), (5200, 24634), (5450, 23504), (5650, 22672), (5668, 22600), (5876, 21800), (7085, 18080), (7345, 17440), (8720, 14690), (9040, 14170), (10400, 12317), (10900, 11752), (11300, 11336)]