128304200

素因数分解:

$2^3\times 5^2\times {\mathrm{641521}}^1$

素因数の和:641537

約数の個数: 24

約数和(自身を含む): 298307730

約数和(自身を除く): 170003530

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 641521, 1283042, 2566084, 3207605, 5132168, 6415210, 12830420, 16038025, 25660840, 32076050, 64152100, 128304200]

約数ペア:

[(1, 128304200), (2, 64152100), (4, 32076050), (5, 25660840), (8, 16038025), (10, 12830420), (20, 6415210), (25, 5132168), (40, 3207605), (50, 2566084), (100, 1283042), (200, 641521)]