25120400

素因数分解:

$2^4\times 5^2\times {\mathrm{62801}}^1$

素因数の和:62819

約数の個数: 30

約数和(自身を含む): 60352722

約数和(自身を除く): 35232322

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 62801, 125602, 251204, 314005, 502408, 628010, 1004816, 1256020, 1570025, 2512040, 3140050, 5024080, 6280100, 12560200, 25120400]

約数ペア:

[(1, 25120400), (2, 12560200), (4, 6280100), (5, 5024080), (8, 3140050), (10, 2512040), (16, 1570025), (20, 1256020), (25, 1004816), (40, 628010), (50, 502408), (80, 314005), (100, 251204), (200, 125602), (400, 62801)]