13396880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{509}}^1$

素因数の和:576

約数の個数: 80

約数和(自身を含む): 36426240

約数和(自身を除く): 23029360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 80, 94, 112, 140, 188, 235, 280, 329, 376, 470, 509, 560, 658, 752, 940, 1018, 1316, 1645, 1880, 2036, 2545, 2632, 3290, 3563, 3760, 4072, 5090, 5264, 6580, 7126, 8144, 10180, 13160, 14252, 17815, 20360, 23923, 26320, 28504, 35630, 40720, 47846, 57008, 71260, 95692, 119615, 142520, 167461, 191384, 239230, 285040, 334922, 382768, 478460, 669844, 837305, 956920, 1339688, 1674610, 1913840, 2679376, 3349220, 6698440, 13396880]

約数ペア:

[(1, 13396880), (2, 6698440), (4, 3349220), (5, 2679376), (7, 1913840), (8, 1674610), (10, 1339688), (14, 956920), (16, 837305), (20, 669844), (28, 478460), (35, 382768), (40, 334922), (47, 285040), (56, 239230), (70, 191384), (80, 167461), (94, 142520), (112, 119615), (140, 95692), (188, 71260), (235, 57008), (280, 47846), (329, 40720), (376, 35630), (470, 28504), (509, 26320), (560, 23923), (658, 20360), (752, 17815), (940, 14252), (1018, 13160), (1316, 10180), (1645, 8144), (1880, 7126), (2036, 6580), (2545, 5264), (2632, 5090), (3290, 4072), (3563, 3760)]