13303500520

素因数分解:

$2^3\times 5^1\times {\mathrm{4391}}^1\times {\mathrm{75743}}^1$

素因数の和:80145

約数の個数: 32

約数和(自身を含む): 29940088320

約数和(自身を除く): 16636587800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4391, 8782, 17564, 21955, 35128, 43910, 75743, 87820, 151486, 175640, 302972, 378715, 605944, 757430, 1514860, 3029720, 332587513, 665175026, 1330350052, 1662937565, 2660700104, 3325875130, 6651750260, 13303500520]

約数ペア:

[(1, 13303500520), (2, 6651750260), (4, 3325875130), (5, 2660700104), (8, 1662937565), (10, 1330350052), (20, 665175026), (40, 332587513), (4391, 3029720), (8782, 1514860), (17564, 757430), (21955, 605944), (35128, 378715), (43910, 302972), (75743, 175640), (87820, 151486)]