2690384080

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{245473}}^1$

素因数の和:245623

約数の個数: 40

約数和(自身を含む): 6300826632

約数和(自身を除く): 3610442552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 1096, 1370, 2192, 2740, 5480, 10960, 245473, 490946, 981892, 1227365, 1963784, 2454730, 3927568, 4909460, 9818920, 19637840, 33629801, 67259602, 134519204, 168149005, 269038408, 336298010, 538076816, 672596020, 1345192040, 2690384080]

約数ペア:

[(1, 2690384080), (2, 1345192040), (4, 672596020), (5, 538076816), (8, 336298010), (10, 269038408), (16, 168149005), (20, 134519204), (40, 67259602), (80, 33629801), (137, 19637840), (274, 9818920), (548, 4909460), (685, 3927568), (1096, 2454730), (1370, 1963784), (2192, 1227365), (2740, 981892), (5480, 490946), (10960, 245473)]