8615691320

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2220539}}^1$

素因数の和:2220647

約数の個数: 32

約数和(自身を含む): 19585162800

約数和(自身を除く): 10969471480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 2220539, 4441078, 8882156, 11102695, 17764312, 22205390, 44410780, 88821560, 215392283, 430784566, 861569132, 1076961415, 1723138264, 2153922830, 4307845660, 8615691320]

約数ペア:

[(1, 8615691320), (2, 4307845660), (4, 2153922830), (5, 1723138264), (8, 1076961415), (10, 861569132), (20, 430784566), (40, 215392283), (97, 88821560), (194, 44410780), (388, 22205390), (485, 17764312), (776, 11102695), (970, 8882156), (1940, 4441078), (3880, 2220539)]