163747840

素因数分解:

$2^{11}\times 5^1\times {\mathrm{15991}}^1$

素因数の和:16018

約数の個数: 48

約数和(自身を含む): 392923440

約数和(自身を除く): 229175600

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, 5120, 10240, 15991, 31982, 63964, 79955, 127928, 159910, 255856, 319820, 511712, 639640, 1023424, 1279280, 2046848, 2558560, 4093696, 5117120, 8187392, 10234240, 16374784, 20468480, 32749568, 40936960, 81873920, 163747840]

約数ペア:

[(1, 163747840), (2, 81873920), (4, 40936960), (5, 32749568), (8, 20468480), (10, 16374784), (16, 10234240), (20, 8187392), (32, 5117120), (40, 4093696), (64, 2558560), (80, 2046848), (128, 1279280), (160, 1023424), (256, 639640), (320, 511712), (512, 319820), (640, 255856), (1024, 159910), (1280, 127928), (2048, 79955), (2560, 63964), (5120, 31982), (10240, 15991)]