2095200080

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{331519}}^1$

素因数の和:331611

約数の個数: 40

約数和(自身を含む): 4933017600

約数和(自身を除く): 2837817520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 331519, 663038, 1326076, 1657595, 2652152, 3315190, 5304304, 6630380, 13260760, 26190001, 26521520, 52380002, 104760004, 130950005, 209520008, 261900010, 419040016, 523800020, 1047600040, 2095200080]

約数ペア:

[(1, 2095200080), (2, 1047600040), (4, 523800020), (5, 419040016), (8, 261900010), (10, 209520008), (16, 130950005), (20, 104760004), (40, 52380002), (79, 26521520), (80, 26190001), (158, 13260760), (316, 6630380), (395, 5304304), (632, 3315190), (790, 2652152), (1264, 1657595), (1580, 1326076), (3160, 663038), (6320, 331519)]