25231640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{929}}^1$

素因数の和:1044

約数の個数: 64

約数和(自身を含む): 65620800

約数和(自身を除く): 40389160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 97, 140, 194, 280, 388, 485, 679, 776, 929, 970, 1358, 1858, 1940, 2716, 3395, 3716, 3880, 4645, 5432, 6503, 6790, 7432, 9290, 13006, 13580, 18580, 26012, 27160, 32515, 37160, 52024, 65030, 90113, 130060, 180226, 260120, 360452, 450565, 630791, 720904, 901130, 1261582, 1802260, 2523164, 3153955, 3604520, 5046328, 6307910, 12615820, 25231640]

約数ペア:

[(1, 25231640), (2, 12615820), (4, 6307910), (5, 5046328), (7, 3604520), (8, 3153955), (10, 2523164), (14, 1802260), (20, 1261582), (28, 901130), (35, 720904), (40, 630791), (56, 450565), (70, 360452), (97, 260120), (140, 180226), (194, 130060), (280, 90113), (388, 65030), (485, 52024), (679, 37160), (776, 32515), (929, 27160), (970, 26012), (1358, 18580), (1858, 13580), (1940, 13006), (2716, 9290), (3395, 7432), (3716, 6790), (3880, 6503), (4645, 5432)]