260240320

素因数分解:

$2^6\times 5^1\times {\mathrm{813251}}^1$

素因数の和:813268

約数の個数: 28

約数和(自身を含む): 619698024

約数和(自身を除く): 359457704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 813251, 1626502, 3253004, 4066255, 6506008, 8132510, 13012016, 16265020, 26024032, 32530040, 52048064, 65060080, 130120160, 260240320]

約数ペア:

[(1, 260240320), (2, 130120160), (4, 65060080), (5, 52048064), (8, 32530040), (10, 26024032), (16, 16265020), (20, 13012016), (32, 8132510), (40, 6506008), (64, 4066255), (80, 3253004), (160, 1626502), (320, 813251)]