13334840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 31570560

約数和(自身を除く): 18235720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 47, 82, 94, 164, 173, 188, 205, 235, 328, 346, 376, 410, 470, 692, 820, 865, 940, 1384, 1640, 1730, 1880, 1927, 3460, 3854, 6920, 7093, 7708, 8131, 9635, 14186, 15416, 16262, 19270, 28372, 32524, 35465, 38540, 40655, 56744, 65048, 70930, 77080, 81310, 141860, 162620, 283720, 325240, 333371, 666742, 1333484, 1666855, 2666968, 3333710, 6667420, 13334840]

約数ペア:

[(1, 13334840), (2, 6667420), (4, 3333710), (5, 2666968), (8, 1666855), (10, 1333484), (20, 666742), (40, 333371), (41, 325240), (47, 283720), (82, 162620), (94, 141860), (164, 81310), (173, 77080), (188, 70930), (205, 65048), (235, 56744), (328, 40655), (346, 38540), (376, 35465), (410, 32524), (470, 28372), (692, 19270), (820, 16262), (865, 15416), (940, 14186), (1384, 9635), (1640, 8131), (1730, 7708), (1880, 7093), (1927, 6920), (3460, 3854)]