28519640

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{9767}}^1$

素因数の和:9851

約数の個数: 32

約数和(自身を含む): 65054880

約数和(自身を除く): 36535240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 9767, 19534, 39068, 48835, 78136, 97670, 195340, 390680, 712991, 1425982, 2851964, 3564955, 5703928, 7129910, 14259820, 28519640]

約数ペア:

[(1, 28519640), (2, 14259820), (4, 7129910), (5, 5703928), (8, 3564955), (10, 2851964), (20, 1425982), (40, 712991), (73, 390680), (146, 195340), (292, 97670), (365, 78136), (584, 48835), (730, 39068), (1460, 19534), (2920, 9767)]