128252200

素因数分解:

$2^3\times 5^2\times {\mathrm{641261}}^1$

素因数の和:641277

約数の個数: 24

約数和(自身を含む): 298186830

約数和(自身を除く): 169934630

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 641261, 1282522, 2565044, 3206305, 5130088, 6412610, 12825220, 16031525, 25650440, 32063050, 64126100, 128252200]

約数ペア:

[(1, 128252200), (2, 64126100), (4, 32063050), (5, 25650440), (8, 16031525), (10, 12825220), (20, 6412610), (25, 5130088), (40, 3206305), (50, 2565044), (100, 1282522), (200, 641261)]