7911320

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2039}}^1$

素因数の和:2147

約数の個数: 32

約数和(自身を含む): 17992800

約数和(自身を除く): 10081480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 2039, 3880, 4078, 8156, 10195, 16312, 20390, 40780, 81560, 197783, 395566, 791132, 988915, 1582264, 1977830, 3955660, 7911320]

約数ペア:

[(1, 7911320), (2, 3955660), (4, 1977830), (5, 1582264), (8, 988915), (10, 791132), (20, 395566), (40, 197783), (97, 81560), (194, 40780), (388, 20390), (485, 16312), (776, 10195), (970, 8156), (1940, 4078), (2039, 3880)]