28013540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{60899}}^1$

素因数の和:60931

約数の個数: 24

約数和(自身を含む): 61387200

約数和(自身を除く): 33373660

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 60899, 121798, 243596, 304495, 608990, 1217980, 1400677, 2801354, 5602708, 7003385, 14006770, 28013540]

約数ペア:

[(1, 28013540), (2, 14006770), (4, 7003385), (5, 5602708), (10, 2801354), (20, 1400677), (23, 1217980), (46, 608990), (92, 304495), (115, 243596), (230, 121798), (460, 60899)]