4012880

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{487}}^1$

素因数の和:603

約数の個数: 40

約数和(自身を含む): 9439872

約数和(自身を除く): 5426992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 487, 515, 824, 974, 1030, 1648, 1948, 2060, 2435, 3896, 4120, 4870, 7792, 8240, 9740, 19480, 38960, 50161, 100322, 200644, 250805, 401288, 501610, 802576, 1003220, 2006440, 4012880]

約数ペア:

[(1, 4012880), (2, 2006440), (4, 1003220), (5, 802576), (8, 501610), (10, 401288), (16, 250805), (20, 200644), (40, 100322), (80, 50161), (103, 38960), (206, 19480), (412, 9740), (487, 8240), (515, 7792), (824, 4870), (974, 4120), (1030, 3896), (1648, 2435), (1948, 2060)]