40410680

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{3931}}^1$

素因数の和:4199

約数の個数: 32

約数和(自身を含む): 91301040

約数和(自身を除く): 50890360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 3931, 5140, 7862, 10280, 15724, 19655, 31448, 39310, 78620, 157240, 1010267, 2020534, 4041068, 5051335, 8082136, 10102670, 20205340, 40410680]

約数ペア:

[(1, 40410680), (2, 20205340), (4, 10102670), (5, 8082136), (8, 5051335), (10, 4041068), (20, 2020534), (40, 1010267), (257, 157240), (514, 78620), (1028, 39310), (1285, 31448), (2056, 19655), (2570, 15724), (3931, 10280), (5140, 7862)]