79979240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{2713}}^1$

素因数の和:2802

約数の個数: 64

約数和(自身を含む): 199316160

約数和(自身を除く): 119336920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 67, 88, 110, 134, 220, 268, 335, 440, 536, 670, 737, 1340, 1474, 2680, 2713, 2948, 3685, 5426, 5896, 7370, 10852, 13565, 14740, 21704, 27130, 29480, 29843, 54260, 59686, 108520, 119372, 149215, 181771, 238744, 298430, 363542, 596860, 727084, 908855, 1193720, 1454168, 1817710, 1999481, 3635420, 3998962, 7270840, 7997924, 9997405, 15995848, 19994810, 39989620, 79979240]

約数ペア:

[(1, 79979240), (2, 39989620), (4, 19994810), (5, 15995848), (8, 9997405), (10, 7997924), (11, 7270840), (20, 3998962), (22, 3635420), (40, 1999481), (44, 1817710), (55, 1454168), (67, 1193720), (88, 908855), (110, 727084), (134, 596860), (220, 363542), (268, 298430), (335, 238744), (440, 181771), (536, 149215), (670, 119372), (737, 108520), (1340, 59686), (1474, 54260), (2680, 29843), (2713, 29480), (2948, 27130), (3685, 21704), (5426, 14740), (5896, 13565), (7370, 10852)]