64726220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1439}}^1$

素因数の和:1634

約数の個数: 48

約数和(自身を含む): 147329280

約数和(自身を除く): 82603060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 173, 260, 346, 692, 865, 1439, 1730, 2249, 2878, 3460, 4498, 5756, 7195, 8996, 11245, 14390, 18707, 22490, 28780, 37414, 44980, 74828, 93535, 187070, 248947, 374140, 497894, 995788, 1244735, 2489470, 3236311, 4978940, 6472622, 12945244, 16181555, 32363110, 64726220]

約数ペア:

[(1, 64726220), (2, 32363110), (4, 16181555), (5, 12945244), (10, 6472622), (13, 4978940), (20, 3236311), (26, 2489470), (52, 1244735), (65, 995788), (130, 497894), (173, 374140), (260, 248947), (346, 187070), (692, 93535), (865, 74828), (1439, 44980), (1730, 37414), (2249, 28780), (2878, 22490), (3460, 18707), (4498, 14390), (5756, 11245), (7195, 8996)]