4049720

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{739}}^1$

素因数の和:887

約数の個数: 32

約数和(自身を含む): 9190800

約数和(自身を除く): 5141080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 739, 1096, 1370, 1478, 2740, 2956, 3695, 5480, 5912, 7390, 14780, 29560, 101243, 202486, 404972, 506215, 809944, 1012430, 2024860, 4049720]

約数ペア:

[(1, 4049720), (2, 2024860), (4, 1012430), (5, 809944), (8, 506215), (10, 404972), (20, 202486), (40, 101243), (137, 29560), (274, 14780), (548, 7390), (685, 5912), (739, 5480), (1096, 3695), (1370, 2956), (1478, 2740)]