15858520

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{5431}}^1$

素因数の和:5515

約数の個数: 32

約数和(自身を含む): 36177120

約数和(自身を除く): 20318600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 5431, 10862, 21724, 27155, 43448, 54310, 108620, 217240, 396463, 792926, 1585852, 1982315, 3171704, 3964630, 7929260, 15858520]

約数ペア:

[(1, 15858520), (2, 7929260), (4, 3964630), (5, 3171704), (8, 1982315), (10, 1585852), (20, 792926), (40, 396463), (73, 217240), (146, 108620), (292, 54310), (365, 43448), (584, 27155), (730, 21724), (1460, 10862), (2920, 5431)]