13520920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1123}}^1$

素因数の和:1184

約数の個数: 64

約数和(自身を含む): 35608320

約数和(自身を除く): 22087400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1123, 1204, 1505, 1720, 2246, 2408, 3010, 4492, 5615, 6020, 7861, 8984, 11230, 12040, 15722, 22460, 31444, 39305, 44920, 48289, 62888, 78610, 96578, 157220, 193156, 241445, 314440, 338023, 386312, 482890, 676046, 965780, 1352092, 1690115, 1931560, 2704184, 3380230, 6760460, 13520920]

約数ペア:

[(1, 13520920), (2, 6760460), (4, 3380230), (5, 2704184), (7, 1931560), (8, 1690115), (10, 1352092), (14, 965780), (20, 676046), (28, 482890), (35, 386312), (40, 338023), (43, 314440), (56, 241445), (70, 193156), (86, 157220), (140, 96578), (172, 78610), (215, 62888), (280, 48289), (301, 44920), (344, 39305), (430, 31444), (602, 22460), (860, 15722), (1123, 12040), (1204, 11230), (1505, 8984), (1720, 7861), (2246, 6020), (2408, 5615), (3010, 4492)]