68349320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131441}}^1$

素因数の和:131465

約数の個数: 32

約数和(自身を含む): 165616920

約数和(自身を除く): 97267600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 131441, 262882, 525764, 657205, 1051528, 1314410, 1708733, 2628820, 3417466, 5257640, 6834932, 8543665, 13669864, 17087330, 34174660, 68349320]

約数ペア:

[(1, 68349320), (2, 34174660), (4, 17087330), (5, 13669864), (8, 8543665), (10, 6834932), (13, 5257640), (20, 3417466), (26, 2628820), (40, 1708733), (52, 1314410), (65, 1051528), (104, 657205), (130, 525764), (260, 262882), (520, 131441)]