2188127840

素因数分解:

$2^5\times 5^1\times {\mathrm{157}}^1\times {\mathrm{87107}}^1$

素因数の和:87279

約数の個数: 48

約数和(自身を含む): 5202438192

約数和(自身を除く): 3014310352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 157, 160, 314, 628, 785, 1256, 1570, 2512, 3140, 5024, 6280, 12560, 25120, 87107, 174214, 348428, 435535, 696856, 871070, 1393712, 1742140, 2787424, 3484280, 6968560, 13675799, 13937120, 27351598, 54703196, 68378995, 109406392, 136757990, 218812784, 273515980, 437625568, 547031960, 1094063920, 2188127840]

約数ペア:

[(1, 2188127840), (2, 1094063920), (4, 547031960), (5, 437625568), (8, 273515980), (10, 218812784), (16, 136757990), (20, 109406392), (32, 68378995), (40, 54703196), (80, 27351598), (157, 13937120), (160, 13675799), (314, 6968560), (628, 3484280), (785, 2787424), (1256, 1742140), (1570, 1393712), (2512, 871070), (3140, 696856), (5024, 435535), (6280, 348428), (12560, 174214), (25120, 87107)]