13118440

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:346

約数の個数: 64

約数和(自身を含む): 31363200

約数和(自身を除く): 18244760

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 43, 58, 86, 116, 145, 172, 215, 232, 263, 290, 344, 430, 526, 580, 860, 1052, 1160, 1247, 1315, 1720, 2104, 2494, 2630, 4988, 5260, 6235, 7627, 9976, 10520, 11309, 12470, 15254, 22618, 24940, 30508, 38135, 45236, 49880, 56545, 61016, 76270, 90472, 113090, 152540, 226180, 305080, 327961, 452360, 655922, 1311844, 1639805, 2623688, 3279610, 6559220, 13118440]

約数ペア:

[(1, 13118440), (2, 6559220), (4, 3279610), (5, 2623688), (8, 1639805), (10, 1311844), (20, 655922), (29, 452360), (40, 327961), (43, 305080), (58, 226180), (86, 152540), (116, 113090), (145, 90472), (172, 76270), (215, 61016), (232, 56545), (263, 49880), (290, 45236), (344, 38135), (430, 30508), (526, 24940), (580, 22618), (860, 15254), (1052, 12470), (1160, 11309), (1247, 10520), (1315, 9976), (1720, 7627), (2104, 6235), (2494, 5260), (2630, 4988)]