79601720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{1601}}^1$

素因数の和:1736

約数の個数: 64

約数和(自身を含む): 197238240

約数和(自身を除く): 117636520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 113, 220, 226, 440, 452, 565, 904, 1130, 1243, 1601, 2260, 2486, 3202, 4520, 4972, 6215, 6404, 8005, 9944, 12430, 12808, 16010, 17611, 24860, 32020, 35222, 49720, 64040, 70444, 88055, 140888, 176110, 180913, 352220, 361826, 704440, 723652, 904565, 1447304, 1809130, 1990043, 3618260, 3980086, 7236520, 7960172, 9950215, 15920344, 19900430, 39800860, 79601720]

約数ペア:

[(1, 79601720), (2, 39800860), (4, 19900430), (5, 15920344), (8, 9950215), (10, 7960172), (11, 7236520), (20, 3980086), (22, 3618260), (40, 1990043), (44, 1809130), (55, 1447304), (88, 904565), (110, 723652), (113, 704440), (220, 361826), (226, 352220), (440, 180913), (452, 176110), (565, 140888), (904, 88055), (1130, 70444), (1243, 64040), (1601, 49720), (2260, 35222), (2486, 32020), (3202, 24860), (4520, 17611), (4972, 16010), (6215, 12808), (6404, 12430), (8005, 9944)]