51169520

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{293}}^1$

素因数の和:402

約数の個数: 80

約数和(自身を含む): 124679520

約数和(自身を除く): 73510000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 59, 74, 80, 118, 148, 185, 236, 293, 295, 296, 370, 472, 586, 590, 592, 740, 944, 1172, 1180, 1465, 1480, 2183, 2344, 2360, 2930, 2960, 4366, 4688, 4720, 5860, 8732, 10841, 10915, 11720, 17287, 17464, 21682, 21830, 23440, 34574, 34928, 43364, 43660, 54205, 69148, 86435, 86728, 87320, 108410, 138296, 172870, 173456, 174640, 216820, 276592, 345740, 433640, 639619, 691480, 867280, 1279238, 1382960, 2558476, 3198095, 5116952, 6396190, 10233904, 12792380, 25584760, 51169520]

約数ペア:

[(1, 51169520), (2, 25584760), (4, 12792380), (5, 10233904), (8, 6396190), (10, 5116952), (16, 3198095), (20, 2558476), (37, 1382960), (40, 1279238), (59, 867280), (74, 691480), (80, 639619), (118, 433640), (148, 345740), (185, 276592), (236, 216820), (293, 174640), (295, 173456), (296, 172870), (370, 138296), (472, 108410), (586, 87320), (590, 86728), (592, 86435), (740, 69148), (944, 54205), (1172, 43660), (1180, 43364), (1465, 34928), (1480, 34574), (2183, 23440), (2344, 21830), (2360, 21682), (2930, 17464), (2960, 17287), (4366, 11720), (4688, 10915), (4720, 10841), (5860, 8732)]