39357320

素因数分解:

$2^3\times 5^1\times {\mathrm{947}}^1\times {\mathrm{1039}}^1$

素因数の和:1997

約数の個数: 32

約数和(自身を含む): 88732800

約数和(自身を除く): 49375480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 947, 1039, 1894, 2078, 3788, 4156, 4735, 5195, 7576, 8312, 9470, 10390, 18940, 20780, 37880, 41560, 983933, 1967866, 3935732, 4919665, 7871464, 9839330, 19678660, 39357320]

約数ペア:

[(1, 39357320), (2, 19678660), (4, 9839330), (5, 7871464), (8, 4919665), (10, 3935732), (20, 1967866), (40, 983933), (947, 41560), (1039, 37880), (1894, 20780), (2078, 18940), (3788, 10390), (4156, 9470), (4735, 8312), (5195, 7576)]