91754780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20759}}^1$

素因数の和:20798

約数の個数: 48

約数和(自身を含む): 219723840

約数和(自身を除く): 127969060

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 20759, 41518, 83036, 103795, 207590, 269867, 352903, 415180, 539734, 705806, 1079468, 1349335, 1411612, 1764515, 2698670, 3529030, 4587739, 5397340, 7058060, 9175478, 18350956, 22938695, 45877390, 91754780]

約数ペア:

[(1, 91754780), (2, 45877390), (4, 22938695), (5, 18350956), (10, 9175478), (13, 7058060), (17, 5397340), (20, 4587739), (26, 3529030), (34, 2698670), (52, 1764515), (65, 1411612), (68, 1349335), (85, 1079468), (130, 705806), (170, 539734), (221, 415180), (260, 352903), (340, 269867), (442, 207590), (884, 103795), (1105, 83036), (2210, 41518), (4420, 20759)]