80309800

素因数分解:

$2^3\times 5^2\times {\mathrm{281}}^1\times {\mathrm{1429}}^1$

素因数の和:1726

約数の個数: 48

約数和(自身を含む): 187515900

約数和(自身を除く): 107206100

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 281, 562, 1124, 1405, 1429, 2248, 2810, 2858, 5620, 5716, 7025, 7145, 11240, 11432, 14050, 14290, 28100, 28580, 35725, 56200, 57160, 71450, 142900, 285800, 401549, 803098, 1606196, 2007745, 3212392, 4015490, 8030980, 10038725, 16061960, 20077450, 40154900, 80309800]

約数ペア:

[(1, 80309800), (2, 40154900), (4, 20077450), (5, 16061960), (8, 10038725), (10, 8030980), (20, 4015490), (25, 3212392), (40, 2007745), (50, 1606196), (100, 803098), (200, 401549), (281, 285800), (562, 142900), (1124, 71450), (1405, 57160), (1429, 56200), (2248, 35725), (2810, 28580), (2858, 28100), (5620, 14290), (5716, 14050), (7025, 11432), (7145, 11240)]