71179420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{21059}}^1$

素因数の和:21094

約数の個数: 36

約数和(自身を含む): 161867160

約数和(自身を除く): 90687740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 21059, 42118, 84236, 105295, 210590, 273767, 421180, 547534, 1095068, 1368835, 2737670, 3558971, 5475340, 7117942, 14235884, 17794855, 35589710, 71179420]

約数ペア:

[(1, 71179420), (2, 35589710), (4, 17794855), (5, 14235884), (10, 7117942), (13, 5475340), (20, 3558971), (26, 2737670), (52, 1368835), (65, 1095068), (130, 547534), (169, 421180), (260, 273767), (338, 210590), (676, 105295), (845, 84236), (1690, 42118), (3380, 21059)]