31415672080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1747}}^1\times {\mathrm{17291}}^1$

素因数の和:19064

約数の個数: 80

約数和(自身を含む): 78709587264

約数和(自身を除く): 47293915184

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1747, 3494, 6988, 8735, 13976, 17291, 17470, 22711, 27952, 34582, 34940, 45422, 69164, 69880, 86455, 90844, 113555, 138328, 139760, 172910, 181688, 224783, 227110, 276656, 345820, 363376, 449566, 454220, 691640, 899132, 908440, 1123915, 1383280, 1798264, 1816880, 2247830, 3596528, 4495660, 8991320, 17982640, 30207377, 60414754, 120829508, 151036885, 241659016, 302073770, 392695901, 483318032, 604147540, 785391802, 1208295080, 1570783604, 1963479505, 2416590160, 3141567208, 3926959010, 6283134416, 7853918020, 15707836040, 31415672080]

約数ペア:

[(1, 31415672080), (2, 15707836040), (4, 7853918020), (5, 6283134416), (8, 3926959010), (10, 3141567208), (13, 2416590160), (16, 1963479505), (20, 1570783604), (26, 1208295080), (40, 785391802), (52, 604147540), (65, 483318032), (80, 392695901), (104, 302073770), (130, 241659016), (208, 151036885), (260, 120829508), (520, 60414754), (1040, 30207377), (1747, 17982640), (3494, 8991320), (6988, 4495660), (8735, 3596528), (13976, 2247830), (17291, 1816880), (17470, 1798264), (22711, 1383280), (27952, 1123915), (34582, 908440), (34940, 899132), (45422, 691640), (69164, 454220), (69880, 449566), (86455, 363376), (90844, 345820), (113555, 276656), (138328, 227110), (139760, 224783), (172910, 181688)]