71539280

素因数分解:

$2^4\times 5^1\times {\mathrm{313}}^1\times {\mathrm{2857}}^1$

素因数の和:3183

約数の個数: 40

約数和(自身を含む): 166918632

約数和(自身を除く): 95379352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 313, 626, 1252, 1565, 2504, 2857, 3130, 5008, 5714, 6260, 11428, 12520, 14285, 22856, 25040, 28570, 45712, 57140, 114280, 228560, 894241, 1788482, 3576964, 4471205, 7153928, 8942410, 14307856, 17884820, 35769640, 71539280]

約数ペア:

[(1, 71539280), (2, 35769640), (4, 17884820), (5, 14307856), (8, 8942410), (10, 7153928), (16, 4471205), (20, 3576964), (40, 1788482), (80, 894241), (313, 228560), (626, 114280), (1252, 57140), (1565, 45712), (2504, 28570), (2857, 25040), (3130, 22856), (5008, 14285), (5714, 12520), (6260, 11428)]