51236240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:181

約数の個数: 120

約数和(自身を含む): 134574720

約数和(自身を除く): 83338480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 67, 79, 80, 88, 110, 121, 134, 158, 176, 220, 242, 268, 316, 335, 395, 440, 484, 536, 605, 632, 670, 737, 790, 869, 880, 968, 1072, 1210, 1264, 1340, 1474, 1580, 1738, 1936, 2420, 2680, 2948, 3160, 3476, 3685, 4345, 4840, 5293, 5360, 5896, 6320, 6952, 7370, 8107, 8690, 9559, 9680, 10586, 11792, 13904, 14740, 16214, 17380, 19118, 21172, 26465, 29480, 32428, 34760, 38236, 40535, 42344, 47795, 52930, 58223, 58960, 64856, 69520, 76472, 81070, 84688, 95590, 105860, 116446, 129712, 152944, 162140, 191180, 211720, 232892, 291115, 324280, 382360, 423440, 465784, 582230, 640453, 648560, 764720, 931568, 1164460, 1280906, 2328920, 2561812, 3202265, 4657840, 5123624, 6404530, 10247248, 12809060, 25618120, 51236240]

約数ペア:

[(1, 51236240), (2, 25618120), (4, 12809060), (5, 10247248), (8, 6404530), (10, 5123624), (11, 4657840), (16, 3202265), (20, 2561812), (22, 2328920), (40, 1280906), (44, 1164460), (55, 931568), (67, 764720), (79, 648560), (80, 640453), (88, 582230), (110, 465784), (121, 423440), (134, 382360), (158, 324280), (176, 291115), (220, 232892), (242, 211720), (268, 191180), (316, 162140), (335, 152944), (395, 129712), (440, 116446), (484, 105860), (536, 95590), (605, 84688), (632, 81070), (670, 76472), (737, 69520), (790, 64856), (869, 58960), (880, 58223), (968, 52930), (1072, 47795), (1210, 42344), (1264, 40535), (1340, 38236), (1474, 34760), (1580, 32428), (1738, 29480), (1936, 26465), (2420, 21172), (2680, 19118), (2948, 17380), (3160, 16214), (3476, 14740), (3685, 13904), (4345, 11792), (4840, 10586), (5293, 9680), (5360, 9559), (5896, 8690), (6320, 8107), (6952, 7370)]