2146880080

素因数分解:

$2^4\times 5^1\times {\mathrm{4759}}^1\times {\mathrm{5639}}^1$

素因数の和:10411

約数の個数: 40

約数和(自身を含む): 4993430400

約数和(自身を除く): 2846550320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4759, 5639, 9518, 11278, 19036, 22556, 23795, 28195, 38072, 45112, 47590, 56390, 76144, 90224, 95180, 112780, 190360, 225560, 380720, 451120, 26836001, 53672002, 107344004, 134180005, 214688008, 268360010, 429376016, 536720020, 1073440040, 2146880080]

約数ペア:

[(1, 2146880080), (2, 1073440040), (4, 536720020), (5, 429376016), (8, 268360010), (10, 214688008), (16, 134180005), (20, 107344004), (40, 53672002), (80, 26836001), (4759, 451120), (5639, 380720), (9518, 225560), (11278, 190360), (19036, 112780), (22556, 95180), (23795, 90224), (28195, 76144), (38072, 56390), (45112, 47590)]