407400080

素因数分解:

$2^4\times 5^1\times {\mathrm{5092501}}^1$

素因数の和:5092514

約数の個数: 20

約数和(自身を含む): 947205372

約数和(自身を除く): 539805292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5092501, 10185002, 20370004, 25462505, 40740008, 50925010, 81480016, 101850020, 203700040, 407400080]

約数ペア:

[(1, 407400080), (2, 203700040), (4, 101850020), (5, 81480016), (8, 50925010), (10, 40740008), (16, 25462505), (20, 20370004), (40, 10185002), (80, 5092501)]