814888940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{32057}}^1$

素因数の和:32138

約数の個数: 48

約数和(自身を含む): 1809609984

約数和(自身を除く): 994721044

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 62, 82, 124, 155, 164, 205, 310, 410, 620, 820, 1271, 2542, 5084, 6355, 12710, 25420, 32057, 64114, 128228, 160285, 320570, 641140, 993767, 1314337, 1987534, 2628674, 3975068, 4968835, 5257348, 6571685, 9937670, 13143370, 19875340, 26286740, 40744447, 81488894, 162977788, 203722235, 407444470, 814888940]

約数ペア:

[(1, 814888940), (2, 407444470), (4, 203722235), (5, 162977788), (10, 81488894), (20, 40744447), (31, 26286740), (41, 19875340), (62, 13143370), (82, 9937670), (124, 6571685), (155, 5257348), (164, 4968835), (205, 3975068), (310, 2628674), (410, 1987534), (620, 1314337), (820, 993767), (1271, 641140), (2542, 320570), (5084, 160285), (6355, 128228), (12710, 64114), (25420, 32057)]