22168400

素因数分解:

$2^4\times 5^2\times {\mathrm{157}}^1\times {\mathrm{353}}^1$

素因数の和:528

約数の個数: 60

約数和(自身を含む): 53750652

約数和(自身を除く): 31582252

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 157, 200, 314, 353, 400, 628, 706, 785, 1256, 1412, 1570, 1765, 2512, 2824, 3140, 3530, 3925, 5648, 6280, 7060, 7850, 8825, 12560, 14120, 15700, 17650, 28240, 31400, 35300, 55421, 62800, 70600, 110842, 141200, 221684, 277105, 443368, 554210, 886736, 1108420, 1385525, 2216840, 2771050, 4433680, 5542100, 11084200, 22168400]

約数ペア:

[(1, 22168400), (2, 11084200), (4, 5542100), (5, 4433680), (8, 2771050), (10, 2216840), (16, 1385525), (20, 1108420), (25, 886736), (40, 554210), (50, 443368), (80, 277105), (100, 221684), (157, 141200), (200, 110842), (314, 70600), (353, 62800), (400, 55421), (628, 35300), (706, 31400), (785, 28240), (1256, 17650), (1412, 15700), (1570, 14120), (1765, 12560), (2512, 8825), (2824, 7850), (3140, 7060), (3530, 6280), (3925, 5648)]