40841320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{78541}}^1$

素因数の和:78565

約数の個数: 32

約数和(自身を含む): 98962920

約数和(自身を除く): 58121600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 78541, 157082, 314164, 392705, 628328, 785410, 1021033, 1570820, 2042066, 3141640, 4084132, 5105165, 8168264, 10210330, 20420660, 40841320]

約数ペア:

[(1, 40841320), (2, 20420660), (4, 10210330), (5, 8168264), (8, 5105165), (10, 4084132), (13, 3141640), (20, 2042066), (26, 1570820), (40, 1021033), (52, 785410), (65, 628328), (104, 392705), (130, 314164), (260, 157082), (520, 78541)]