68115280

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{3313}}^1$

素因数の和:3583

約数の個数: 40

約数和(自身を含む): 159032232

約数和(自身を除く): 90916952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 514, 1028, 1285, 2056, 2570, 3313, 4112, 5140, 6626, 10280, 13252, 16565, 20560, 26504, 33130, 53008, 66260, 132520, 265040, 851441, 1702882, 3405764, 4257205, 6811528, 8514410, 13623056, 17028820, 34057640, 68115280]

約数ペア:

[(1, 68115280), (2, 34057640), (4, 17028820), (5, 13623056), (8, 8514410), (10, 6811528), (16, 4257205), (20, 3405764), (40, 1702882), (80, 851441), (257, 265040), (514, 132520), (1028, 66260), (1285, 53008), (2056, 33130), (2570, 26504), (3313, 20560), (4112, 16565), (5140, 13252), (6626, 10280)]