51085720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4243}}^1$

素因数の和:4304

約数の個数: 64

約数和(自身を含む): 134449920

約数和(自身を除く): 83364200

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, 1204, 1505, 1720, 2408, 3010, 4243, 6020, 8486, 12040, 16972, 21215, 29701, 33944, 42430, 59402, 84860, 118804, 148505, 169720, 182449, 237608, 297010, 364898, 594020, 729796, 912245, 1188040, 1277143, 1459592, 1824490, 2554286, 3648980, 5108572, 6385715, 7297960, 10217144, 12771430, 25542860, 51085720]

約数ペア:

[(1, 51085720), (2, 25542860), (4, 12771430), (5, 10217144), (7, 7297960), (8, 6385715), (10, 5108572), (14, 3648980), (20, 2554286), (28, 1824490), (35, 1459592), (40, 1277143), (43, 1188040), (56, 912245), (70, 729796), (86, 594020), (140, 364898), (172, 297010), (215, 237608), (280, 182449), (301, 169720), (344, 148505), (430, 118804), (602, 84860), (860, 59402), (1204, 42430), (1505, 33944), (1720, 29701), (2408, 21215), (3010, 16972), (4243, 12040), (6020, 8486)]