13107320

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1553}}^1$

素因数の和:1775

約数の個数: 32

約数和(自身を含む): 29650320

約数和(自身を除く): 16543000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1553, 1688, 2110, 3106, 4220, 6212, 7765, 8440, 12424, 15530, 31060, 62120, 327683, 655366, 1310732, 1638415, 2621464, 3276830, 6553660, 13107320]

約数ペア:

[(1, 13107320), (2, 6553660), (4, 3276830), (5, 2621464), (8, 1638415), (10, 1310732), (20, 655366), (40, 327683), (211, 62120), (422, 31060), (844, 15530), (1055, 12424), (1553, 8440), (1688, 7765), (2110, 6212), (3106, 4220)]