204840080

素因数分解:

$2^4\times 5^1\times {\mathrm{613}}^1\times {\mathrm{4177}}^1$

素因数の和:4803

約数の個数: 40

約数和(自身を含む): 477144312

約数和(自身を除く): 272304232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 613, 1226, 2452, 3065, 4177, 4904, 6130, 8354, 9808, 12260, 16708, 20885, 24520, 33416, 41770, 49040, 66832, 83540, 167080, 334160, 2560501, 5121002, 10242004, 12802505, 20484008, 25605010, 40968016, 51210020, 102420040, 204840080]

約数ペア:

[(1, 204840080), (2, 102420040), (4, 51210020), (5, 40968016), (8, 25605010), (10, 20484008), (16, 12802505), (20, 10242004), (40, 5121002), (80, 2560501), (613, 334160), (1226, 167080), (2452, 83540), (3065, 66832), (4177, 49040), (4904, 41770), (6130, 33416), (8354, 24520), (9808, 20885), (12260, 16708)]