155771320

素因数分解:

$2^3\times 5^1\times {\mathrm{1427}}^1\times {\mathrm{2729}}^1$

素因数の和:4167

約数の個数: 32

約数和(自身を含む): 350859600

約数和(自身を除く): 195088280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1427, 2729, 2854, 5458, 5708, 7135, 10916, 11416, 13645, 14270, 21832, 27290, 28540, 54580, 57080, 109160, 3894283, 7788566, 15577132, 19471415, 31154264, 38942830, 77885660, 155771320]

約数ペア:

[(1, 155771320), (2, 77885660), (4, 38942830), (5, 31154264), (8, 19471415), (10, 15577132), (20, 7788566), (40, 3894283), (1427, 109160), (2729, 57080), (2854, 54580), (5458, 28540), (5708, 27290), (7135, 21832), (10916, 14270), (11416, 13645)]