15424040

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5431}}^1$

素因数の和:5513

約数の個数: 32

約数和(自身を含む): 35199360

約数和(自身を除く): 19775320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 5431, 10862, 21724, 27155, 43448, 54310, 108620, 217240, 385601, 771202, 1542404, 1928005, 3084808, 3856010, 7712020, 15424040]

約数ペア:

[(1, 15424040), (2, 7712020), (4, 3856010), (5, 3084808), (8, 1928005), (10, 1542404), (20, 771202), (40, 385601), (71, 217240), (142, 108620), (284, 54310), (355, 43448), (568, 27155), (710, 21724), (1420, 10862), (2840, 5431)]