26838680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{337}}^1$

素因数の和:540

約数の個数: 64

約数和(自身を含む): 66437280

約数和(自身を除く): 39598600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 181, 220, 337, 362, 440, 674, 724, 905, 1348, 1448, 1685, 1810, 1991, 2696, 3370, 3620, 3707, 3982, 6740, 7240, 7414, 7964, 9955, 13480, 14828, 15928, 18535, 19910, 29656, 37070, 39820, 60997, 74140, 79640, 121994, 148280, 243988, 304985, 487976, 609970, 670967, 1219940, 1341934, 2439880, 2683868, 3354835, 5367736, 6709670, 13419340, 26838680]

約数ペア:

[(1, 26838680), (2, 13419340), (4, 6709670), (5, 5367736), (8, 3354835), (10, 2683868), (11, 2439880), (20, 1341934), (22, 1219940), (40, 670967), (44, 609970), (55, 487976), (88, 304985), (110, 243988), (181, 148280), (220, 121994), (337, 79640), (362, 74140), (440, 60997), (674, 39820), (724, 37070), (905, 29656), (1348, 19910), (1448, 18535), (1685, 15928), (1810, 14828), (1991, 13480), (2696, 9955), (3370, 7964), (3620, 7414), (3707, 7240), (3982, 6740)]