205431760

素因数分解:

$2^4\times 5^1\times {\mathrm{569}}^1\times {\mathrm{4513}}^1$

素因数の和:5095

約数の個数: 40

約数和(自身を含む): 478574280

約数和(自身を除く): 273142520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 569, 1138, 2276, 2845, 4513, 4552, 5690, 9026, 9104, 11380, 18052, 22565, 22760, 36104, 45130, 45520, 72208, 90260, 180520, 361040, 2567897, 5135794, 10271588, 12839485, 20543176, 25678970, 41086352, 51357940, 102715880, 205431760]

約数ペア:

[(1, 205431760), (2, 102715880), (4, 51357940), (5, 41086352), (8, 25678970), (10, 20543176), (16, 12839485), (20, 10271588), (40, 5135794), (80, 2567897), (569, 361040), (1138, 180520), (2276, 90260), (2845, 72208), (4513, 45520), (4552, 45130), (5690, 36104), (9026, 22760), (9104, 22565), (11380, 18052)]