12964880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9533}}^1$

素因数の和:9563

約数の個数: 40

約数和(自身を含む): 31919832

約数和(自身を除く): 18954952

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 9533, 19066, 38132, 47665, 76264, 95330, 152528, 162061, 190660, 324122, 381320, 648244, 762640, 810305, 1296488, 1620610, 2592976, 3241220, 6482440, 12964880]

約数ペア:

[(1, 12964880), (2, 6482440), (4, 3241220), (5, 2592976), (8, 1620610), (10, 1296488), (16, 810305), (17, 762640), (20, 648244), (34, 381320), (40, 324122), (68, 190660), (80, 162061), (85, 152528), (136, 95330), (170, 76264), (272, 47665), (340, 38132), (680, 19066), (1360, 9533)]