20178068480

素因数分解:

$2^{10}\times 5^1\times {\mathrm{3941029}}^1$

素因数の和:3941054

約数の個数: 44

約数和(自身を含む): 48403730460

約数和(自身を除く): 28225661980

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 3941029, 7882058, 15764116, 19705145, 31528232, 39410290, 63056464, 78820580, 126112928, 157641160, 252225856, 315282320, 504451712, 630564640, 1008903424, 1261129280, 2017806848, 2522258560, 4035613696, 5044517120, 10089034240, 20178068480]

約数ペア:

[(1, 20178068480), (2, 10089034240), (4, 5044517120), (5, 4035613696), (8, 2522258560), (10, 2017806848), (16, 1261129280), (20, 1008903424), (32, 630564640), (40, 504451712), (64, 315282320), (80, 252225856), (128, 157641160), (160, 126112928), (256, 78820580), (320, 63056464), (512, 39410290), (640, 31528232), (1024, 19705145), (1280, 15764116), (2560, 7882058), (5120, 3941029)]