855810320

素因数分解:

$2^4\times 5^1\times {\mathrm{10697629}}^1$

素因数の和:10697642

約数の個数: 20

約数和(自身を含む): 1989759180

約数和(自身を除く): 1133948860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10697629, 21395258, 42790516, 53488145, 85581032, 106976290, 171162064, 213952580, 427905160, 855810320]

約数ペア:

[(1, 855810320), (2, 427905160), (4, 213952580), (5, 171162064), (8, 106976290), (10, 85581032), (16, 53488145), (20, 42790516), (40, 21395258), (80, 10697629)]