40502860

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{12899}}^1$

素因数の和:13065

約数の個数: 24

約数和(自身を含む): 85604400

約数和(自身を除く): 45101540

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 12899, 25798, 51596, 64495, 128990, 257980, 2025143, 4050286, 8100572, 10125715, 20251430, 40502860]

約数ペア:

[(1, 40502860), (2, 20251430), (4, 10125715), (5, 8100572), (10, 4050286), (20, 2025143), (157, 257980), (314, 128990), (628, 64495), (785, 51596), (1570, 25798), (3140, 12899)]