42008080

素因数分解:

$2^4\times 5^1\times {\mathrm{525101}}^1$

素因数の和:525114

約数の個数: 20

約数和(自身を含む): 97668972

約数和(自身を除く): 55660892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 525101, 1050202, 2100404, 2625505, 4200808, 5251010, 8401616, 10502020, 21004040, 42008080]

約数ペア:

[(1, 42008080), (2, 21004040), (4, 10502020), (5, 8401616), (8, 5251010), (10, 4200808), (16, 2625505), (20, 2100404), (40, 1050202), (80, 525101)]