28175080

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{9649}}^1$

素因数の和:9733

約数の個数: 32

約数和(自身を含む): 64269000

約数和(自身を除く): 36093920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 9649, 19298, 38596, 48245, 77192, 96490, 192980, 385960, 704377, 1408754, 2817508, 3521885, 5635016, 7043770, 14087540, 28175080]

約数ペア:

[(1, 28175080), (2, 14087540), (4, 7043770), (5, 5635016), (8, 3521885), (10, 2817508), (20, 1408754), (40, 704377), (73, 385960), (146, 192980), (292, 96490), (365, 77192), (584, 48245), (730, 38596), (1460, 19298), (2920, 9649)]