40629784

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{390671}}^1$

素因数の和:390690

約数の個数: 16

約数和(自身を含む): 82041120

約数和(自身を除く): 41411336

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 390671, 781342, 1562684, 3125368, 5078723, 10157446, 20314892, 40629784]

約数ペア:

[(1, 40629784), (2, 20314892), (4, 10157446), (8, 5078723), (13, 3125368), (26, 1562684), (52, 781342), (104, 390671)]