1520807440

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{358681}}^1$

素因数の和:358747

約数の個数: 40

約数和(自身を含む): 3602602008

約数和(自身を除く): 2081794568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 358681, 717362, 1434724, 1793405, 2869448, 3586810, 5738896, 7173620, 14347240, 19010093, 28694480, 38020186, 76040372, 95050465, 152080744, 190100930, 304161488, 380201860, 760403720, 1520807440]

約数ペア:

[(1, 1520807440), (2, 760403720), (4, 380201860), (5, 304161488), (8, 190100930), (10, 152080744), (16, 95050465), (20, 76040372), (40, 38020186), (53, 28694480), (80, 19010093), (106, 14347240), (212, 7173620), (265, 5738896), (424, 3586810), (530, 2869448), (848, 1793405), (1060, 1434724), (2120, 717362), (4240, 358681)]