2520400

素因数分解:

$2^4\times 5^2\times {\mathrm{6301}}^1$

素因数の和:6319

約数の個数: 30

約数和(自身を含む): 6056222

約数和(自身を除く): 3535822

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 6301, 12602, 25204, 31505, 50408, 63010, 100816, 126020, 157525, 252040, 315050, 504080, 630100, 1260200, 2520400]

約数ペア:

[(1, 2520400), (2, 1260200), (4, 630100), (5, 504080), (8, 315050), (10, 252040), (16, 157525), (20, 126020), (25, 100816), (40, 63010), (50, 50408), (80, 31505), (100, 25204), (200, 12602), (400, 6301)]