13242440

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3413}}^1$

素因数の和:3521

約数の個数: 32

約数和(自身を含む): 30111480

約数和(自身を除く): 16869040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3413, 3880, 6826, 13652, 17065, 27304, 34130, 68260, 136520, 331061, 662122, 1324244, 1655305, 2648488, 3310610, 6621220, 13242440]

約数ペア:

[(1, 13242440), (2, 6621220), (4, 3310610), (5, 2648488), (8, 1655305), (10, 1324244), (20, 662122), (40, 331061), (97, 136520), (194, 68260), (388, 34130), (485, 27304), (776, 17065), (970, 13652), (1940, 6826), (3413, 3880)]