830140120

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{506183}}^1$

素因数の和:506235

約数の個数: 32

約数和(自身を含む): 1913375520

約数和(自身を除く): 1083235400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 506183, 1012366, 2024732, 2530915, 4049464, 5061830, 10123660, 20247320, 20753503, 41507006, 83014012, 103767515, 166028024, 207535030, 415070060, 830140120]

約数ペア:

[(1, 830140120), (2, 415070060), (4, 207535030), (5, 166028024), (8, 103767515), (10, 83014012), (20, 41507006), (40, 20753503), (41, 20247320), (82, 10123660), (164, 5061830), (205, 4049464), (328, 2530915), (410, 2024732), (820, 1012366), (1640, 506183)]