2608400

素因数分解:

$2^4\times 5^2\times {\mathrm{6521}}^1$

素因数の和:6539

約数の個数: 30

約数和(自身を含む): 6267642

約数和(自身を除く): 3659242

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 6521, 13042, 26084, 32605, 52168, 65210, 104336, 130420, 163025, 260840, 326050, 521680, 652100, 1304200, 2608400]

約数ペア:

[(1, 2608400), (2, 1304200), (4, 652100), (5, 521680), (8, 326050), (10, 260840), (16, 163025), (20, 130420), (25, 104336), (40, 65210), (50, 52168), (80, 32605), (100, 26084), (200, 13042), (400, 6521)]