2016343225

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{419}}^1$

素因数の和:539

約数の個数: 72

約数和(自身を含む): 2916375840

約数和(自身を除く): 900032615

約数列:

[1, 5, 13, 17, 25, 65, 67, 85, 169, 221, 325, 335, 419, 425, 845, 871, 1105, 1139, 1675, 2095, 2873, 4225, 4355, 5447, 5525, 5695, 7123, 10475, 11323, 14365, 14807, 21775, 27235, 28073, 28475, 35615, 56615, 70811, 71825, 74035, 92599, 136175, 140365, 178075, 192491, 283075, 354055, 364949, 370175, 462995, 477241, 701825, 962455, 1203787, 1770275, 1824745, 2314975, 2386205, 4744337, 4812275, 6018935, 6204133, 9123725, 11931025, 23721685, 30094675, 31020665, 80653729, 118608425, 155103325, 403268645, 2016343225]

約数ペア:

[(1, 2016343225), (5, 403268645), (13, 155103325), (17, 118608425), (25, 80653729), (65, 31020665), (67, 30094675), (85, 23721685), (169, 11931025), (221, 9123725), (325, 6204133), (335, 6018935), (419, 4812275), (425, 4744337), (845, 2386205), (871, 2314975), (1105, 1824745), (1139, 1770275), (1675, 1203787), (2095, 962455), (2873, 701825), (4225, 477241), (4355, 462995), (5447, 370175), (5525, 364949), (5695, 354055), (7123, 283075), (10475, 192491), (11323, 178075), (14365, 140365), (14807, 136175), (21775, 92599), (27235, 74035), (28073, 71825), (28475, 70811), (35615, 56615)]