208320080

素因数分解:

$2^4\times 5^1\times {\mathrm{577}}^1\times {\mathrm{4513}}^1$

素因数の和:5103

約数の個数: 40

約数和(自身を含む): 485291112

約数和(自身を除く): 276971032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 577, 1154, 2308, 2885, 4513, 4616, 5770, 9026, 9232, 11540, 18052, 22565, 23080, 36104, 45130, 46160, 72208, 90260, 180520, 361040, 2604001, 5208002, 10416004, 13020005, 20832008, 26040010, 41664016, 52080020, 104160040, 208320080]

約数ペア:

[(1, 208320080), (2, 104160040), (4, 52080020), (5, 41664016), (8, 26040010), (10, 20832008), (16, 13020005), (20, 10416004), (40, 5208002), (80, 2604001), (577, 361040), (1154, 180520), (2308, 90260), (2885, 72208), (4513, 46160), (4616, 45130), (5770, 36104), (9026, 23080), (9232, 22565), (11540, 18052)]