25618120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:179

約数の個数: 96

約数和(自身を含む): 65116800

約数和(自身を除く): 39498680

約数列:

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

約数ペア:

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