2009169920

素因数分解:

$2^{15}\times 5^1\times {\mathrm{12263}}^1$

素因数の和:12298

約数の個数: 64

約数和(自身を含む): 4822327440

約数和(自身を除く): 2813157520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 4096, 5120, 8192, 10240, 12263, 16384, 20480, 24526, 32768, 40960, 49052, 61315, 81920, 98104, 122630, 163840, 196208, 245260, 392416, 490520, 784832, 981040, 1569664, 1962080, 3139328, 3924160, 6278656, 7848320, 12557312, 15696640, 25114624, 31393280, 50229248, 62786560, 100458496, 125573120, 200916992, 251146240, 401833984, 502292480, 1004584960, 2009169920]

約数ペア:

[(1, 2009169920), (2, 1004584960), (4, 502292480), (5, 401833984), (8, 251146240), (10, 200916992), (16, 125573120), (20, 100458496), (32, 62786560), (40, 50229248), (64, 31393280), (80, 25114624), (128, 15696640), (160, 12557312), (256, 7848320), (320, 6278656), (512, 3924160), (640, 3139328), (1024, 1962080), (1280, 1569664), (2048, 981040), (2560, 784832), (4096, 490520), (5120, 392416), (8192, 245260), (10240, 196208), (12263, 163840), (16384, 122630), (20480, 98104), (24526, 81920), (32768, 61315), (40960, 49052)]