13226920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{487}}^1$

素因数の和:602

約数の個数: 64

約数和(自身を含む): 34433280

約数和(自身を除く): 21206360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 97, 140, 194, 280, 388, 485, 487, 679, 776, 970, 974, 1358, 1940, 1948, 2435, 2716, 3395, 3409, 3880, 3896, 4870, 5432, 6790, 6818, 9740, 13580, 13636, 17045, 19480, 27160, 27272, 34090, 47239, 68180, 94478, 136360, 188956, 236195, 330673, 377912, 472390, 661346, 944780, 1322692, 1653365, 1889560, 2645384, 3306730, 6613460, 13226920]

約数ペア:

[(1, 13226920), (2, 6613460), (4, 3306730), (5, 2645384), (7, 1889560), (8, 1653365), (10, 1322692), (14, 944780), (20, 661346), (28, 472390), (35, 377912), (40, 330673), (56, 236195), (70, 188956), (97, 136360), (140, 94478), (194, 68180), (280, 47239), (388, 34090), (485, 27272), (487, 27160), (679, 19480), (776, 17045), (970, 13636), (974, 13580), (1358, 9740), (1940, 6818), (1948, 6790), (2435, 5432), (2716, 4870), (3395, 3896), (3409, 3880)]