2106452080

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{642211}}^1$

素因数の和:642265

約数の個数: 40

約数和(自身を含む): 5016960144

約数和(自身を除く): 2910508064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 642211, 1284422, 2568844, 3211055, 5137688, 6422110, 10275376, 12844220, 25688440, 26330651, 51376880, 52661302, 105322604, 131653255, 210645208, 263306510, 421290416, 526613020, 1053226040, 2106452080]

約数ペア:

[(1, 2106452080), (2, 1053226040), (4, 526613020), (5, 421290416), (8, 263306510), (10, 210645208), (16, 131653255), (20, 105322604), (40, 52661302), (41, 51376880), (80, 26330651), (82, 25688440), (164, 12844220), (205, 10275376), (328, 6422110), (410, 5137688), (656, 3211055), (820, 2568844), (1640, 1284422), (3280, 642211)]