78586480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{140333}}^1$

素因数の和:140353

約数の個数: 40

約数和(自身を含む): 208816992

約数和(自身を除く): 130230512

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 140333, 280666, 561332, 701665, 982331, 1122664, 1403330, 1964662, 2245328, 2806660, 3929324, 4911655, 5613320, 7858648, 9823310, 11226640, 15717296, 19646620, 39293240, 78586480]

約数ペア:

[(1, 78586480), (2, 39293240), (4, 19646620), (5, 15717296), (7, 11226640), (8, 9823310), (10, 7858648), (14, 5613320), (16, 4911655), (20, 3929324), (28, 2806660), (35, 2245328), (40, 1964662), (56, 1403330), (70, 1122664), (80, 982331), (112, 701665), (140, 561332), (280, 280666), (560, 140333)]