12961195340

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{643}}^1\times {\mathrm{12143}}^1$

素因数の和:12878

約数の個数: 48

約数和(自身を含む): 27591556608

約数和(自身を除く): 14630361268

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 643, 830, 1286, 1660, 2572, 3215, 6430, 12143, 12860, 24286, 48572, 53369, 60715, 106738, 121430, 213476, 242860, 266845, 533690, 1007869, 1067380, 2015738, 4031476, 5039345, 7807949, 10078690, 15615898, 20157380, 31231796, 39039745, 78079490, 156158980, 648059767, 1296119534, 2592239068, 3240298835, 6480597670, 12961195340]

約数ペア:

[(1, 12961195340), (2, 6480597670), (4, 3240298835), (5, 2592239068), (10, 1296119534), (20, 648059767), (83, 156158980), (166, 78079490), (332, 39039745), (415, 31231796), (643, 20157380), (830, 15615898), (1286, 10078690), (1660, 7807949), (2572, 5039345), (3215, 4031476), (6430, 2015738), (12143, 1067380), (12860, 1007869), (24286, 533690), (48572, 266845), (53369, 242860), (60715, 213476), (106738, 121430)]