421036760

素因数分解:

$2^3\times 5^1\times {\mathrm{10525919}}^1$

素因数の和:10525930

約数の個数: 16

約数和(自身を含む): 947332800

約数和(自身を除く): 526296040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 10525919, 21051838, 42103676, 52629595, 84207352, 105259190, 210518380, 421036760]

約数ペア:

[(1, 421036760), (2, 210518380), (4, 105259190), (5, 84207352), (8, 52629595), (10, 42103676), (20, 21051838), (40, 10525919)]