2787303920

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{657383}}^1$

素因数の和:657449

約数の個数: 40

約数和(自身を含む): 6602764896

約数和(自身を除く): 3815460976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 657383, 1314766, 2629532, 3286915, 5259064, 6573830, 10518128, 13147660, 26295320, 34841299, 52590640, 69682598, 139365196, 174206495, 278730392, 348412990, 557460784, 696825980, 1393651960, 2787303920]

約数ペア:

[(1, 2787303920), (2, 1393651960), (4, 696825980), (5, 557460784), (8, 348412990), (10, 278730392), (16, 174206495), (20, 139365196), (40, 69682598), (53, 52590640), (80, 34841299), (106, 26295320), (212, 13147660), (265, 10518128), (424, 6573830), (530, 5259064), (848, 3286915), (1060, 2629532), (2120, 1314766), (4240, 657383)]