78920080

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{24061}}^1$

素因数の和:24115

約数の個数: 40

約数和(自身を含む): 187972344

約数和(自身を除く): 109052264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 24061, 48122, 96244, 120305, 192488, 240610, 384976, 481220, 962440, 986501, 1924880, 1973002, 3946004, 4932505, 7892008, 9865010, 15784016, 19730020, 39460040, 78920080]

約数ペア:

[(1, 78920080), (2, 39460040), (4, 19730020), (5, 15784016), (8, 9865010), (10, 7892008), (16, 4932505), (20, 3946004), (40, 1973002), (41, 1924880), (80, 986501), (82, 962440), (164, 481220), (205, 384976), (328, 240610), (410, 192488), (656, 120305), (820, 96244), (1640, 48122), (3280, 24061)]