51982040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:193

約数の個数: 128

約数和(自身を含む): 136581120

約数和(自身を除く): 84599080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 37, 40, 44, 55, 62, 74, 88, 103, 110, 124, 148, 155, 185, 206, 220, 248, 296, 310, 341, 370, 407, 412, 440, 515, 620, 682, 740, 814, 824, 1030, 1133, 1147, 1240, 1364, 1480, 1628, 1705, 2035, 2060, 2266, 2294, 2728, 3193, 3256, 3410, 3811, 4070, 4120, 4532, 4588, 5665, 5735, 6386, 6820, 7622, 8140, 9064, 9176, 11330, 11470, 12617, 12772, 13640, 15244, 15965, 16280, 19055, 22660, 22940, 25234, 25544, 30488, 31930, 35123, 38110, 41921, 45320, 45880, 50468, 63085, 63860, 70246, 76220, 83842, 100936, 118141, 126170, 127720, 140492, 152440, 167684, 175615, 209605, 236282, 252340, 280984, 335368, 351230, 419210, 472564, 504680, 590705, 702460, 838420, 945128, 1181410, 1299551, 1404920, 1676840, 2362820, 2599102, 4725640, 5198204, 6497755, 10396408, 12995510, 25991020, 51982040]

約数ペア:

[(1, 51982040), (2, 25991020), (4, 12995510), (5, 10396408), (8, 6497755), (10, 5198204), (11, 4725640), (20, 2599102), (22, 2362820), (31, 1676840), (37, 1404920), (40, 1299551), (44, 1181410), (55, 945128), (62, 838420), (74, 702460), (88, 590705), (103, 504680), (110, 472564), (124, 419210), (148, 351230), (155, 335368), (185, 280984), (206, 252340), (220, 236282), (248, 209605), (296, 175615), (310, 167684), (341, 152440), (370, 140492), (407, 127720), (412, 126170), (440, 118141), (515, 100936), (620, 83842), (682, 76220), (740, 70246), (814, 63860), (824, 63085), (1030, 50468), (1133, 45880), (1147, 45320), (1240, 41921), (1364, 38110), (1480, 35123), (1628, 31930), (1705, 30488), (2035, 25544), (2060, 25234), (2266, 22940), (2294, 22660), (2728, 19055), (3193, 16280), (3256, 15965), (3410, 15244), (3811, 13640), (4070, 12772), (4120, 12617), (4532, 11470), (4588, 11330), (5665, 9176), (5735, 9064), (6386, 8140), (6820, 7622)]