1308080

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:293

約数の個数: 40

約数和(自身を含む): 3093552

約数和(自身を除く): 1785472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 197, 332, 394, 415, 664, 788, 830, 985, 1328, 1576, 1660, 1970, 3152, 3320, 3940, 6640, 7880, 15760, 16351, 32702, 65404, 81755, 130808, 163510, 261616, 327020, 654040, 1308080]

約数ペア:

[(1, 1308080), (2, 654040), (4, 327020), (5, 261616), (8, 163510), (10, 130808), (16, 81755), (20, 65404), (40, 32702), (80, 16351), (83, 15760), (166, 7880), (197, 6640), (332, 3940), (394, 3320), (415, 3152), (664, 1970), (788, 1660), (830, 1576), (985, 1328)]