800892080

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{76421}}^1$

素因数の和:76565

約数の個数: 40

約数和(自身を含む): 1876312944

約数和(自身を除く): 1075420864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 5240, 10480, 76421, 152842, 305684, 382105, 611368, 764210, 1222736, 1528420, 3056840, 6113680, 10011151, 20022302, 40044604, 50055755, 80089208, 100111510, 160178416, 200223020, 400446040, 800892080]

約数ペア:

[(1, 800892080), (2, 400446040), (4, 200223020), (5, 160178416), (8, 100111510), (10, 80089208), (16, 50055755), (20, 40044604), (40, 20022302), (80, 10011151), (131, 6113680), (262, 3056840), (524, 1528420), (655, 1222736), (1048, 764210), (1310, 611368), (2096, 382105), (2620, 305684), (5240, 152842), (10480, 76421)]