8545280

素因数分解:

$2^{10}\times 5^1\times {\mathrm{1669}}^1$

素因数の和:1694

約数の個数: 44

約数和(自身を含む): 20510940

約数和(自身を除く): 11965660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 1669, 2560, 3338, 5120, 6676, 8345, 13352, 16690, 26704, 33380, 53408, 66760, 106816, 133520, 213632, 267040, 427264, 534080, 854528, 1068160, 1709056, 2136320, 4272640, 8545280]

約数ペア:

[(1, 8545280), (2, 4272640), (4, 2136320), (5, 1709056), (8, 1068160), (10, 854528), (16, 534080), (20, 427264), (32, 267040), (40, 213632), (64, 133520), (80, 106816), (128, 66760), (160, 53408), (256, 33380), (320, 26704), (512, 16690), (640, 13352), (1024, 8345), (1280, 6676), (1669, 5120), (2560, 3338)]