87728240

素因数分解:

$2^4\times 5^1\times {\mathrm{331}}^1\times {\mathrm{3313}}^1$

素因数の和:3657

約数の個数: 40

約数和(自身を含む): 204646128

約数和(自身を除く): 116917888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 331, 662, 1324, 1655, 2648, 3310, 3313, 5296, 6620, 6626, 13240, 13252, 16565, 26480, 26504, 33130, 53008, 66260, 132520, 265040, 1096603, 2193206, 4386412, 5483015, 8772824, 10966030, 17545648, 21932060, 43864120, 87728240]

約数ペア:

[(1, 87728240), (2, 43864120), (4, 21932060), (5, 17545648), (8, 10966030), (10, 8772824), (16, 5483015), (20, 4386412), (40, 2193206), (80, 1096603), (331, 265040), (662, 132520), (1324, 66260), (1655, 53008), (2648, 33130), (3310, 26504), (3313, 26480), (5296, 16565), (6620, 13252), (6626, 13240)]