26191640

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{337}}^1$

素因数の和:444

約数の個数: 64

約数和(自身を含む): 62056800

約数和(自身を除く): 35865160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 67, 116, 134, 145, 232, 268, 290, 335, 337, 536, 580, 670, 674, 1160, 1340, 1348, 1685, 1943, 2680, 2696, 3370, 3886, 6740, 7772, 9715, 9773, 13480, 15544, 19430, 19546, 22579, 38860, 39092, 45158, 48865, 77720, 78184, 90316, 97730, 112895, 180632, 195460, 225790, 390920, 451580, 654791, 903160, 1309582, 2619164, 3273955, 5238328, 6547910, 13095820, 26191640]

約数ペア:

[(1, 26191640), (2, 13095820), (4, 6547910), (5, 5238328), (8, 3273955), (10, 2619164), (20, 1309582), (29, 903160), (40, 654791), (58, 451580), (67, 390920), (116, 225790), (134, 195460), (145, 180632), (232, 112895), (268, 97730), (290, 90316), (335, 78184), (337, 77720), (536, 48865), (580, 45158), (670, 39092), (674, 38860), (1160, 22579), (1340, 19546), (1348, 19430), (1685, 15544), (1943, 13480), (2680, 9773), (2696, 9715), (3370, 7772), (3886, 6740)]