154442320

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{18743}}^1$

素因数の和:18859

約数の個数: 40

約数和(自身を含む): 362583936

約数和(自身を除く): 208141616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 4120, 8240, 18743, 37486, 74972, 93715, 149944, 187430, 299888, 374860, 749720, 1499440, 1930529, 3861058, 7722116, 9652645, 15444232, 19305290, 30888464, 38610580, 77221160, 154442320]

約数ペア:

[(1, 154442320), (2, 77221160), (4, 38610580), (5, 30888464), (8, 19305290), (10, 15444232), (16, 9652645), (20, 7722116), (40, 3861058), (80, 1930529), (103, 1499440), (206, 749720), (412, 374860), (515, 299888), (824, 187430), (1030, 149944), (1648, 93715), (2060, 74972), (4120, 37486), (8240, 18743)]