4780040

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1637}}^1$

素因数の和:1721

約数の個数: 32

約数和(自身を含む): 10909080

約数和(自身を除く): 6129040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 1637, 2920, 3274, 6548, 8185, 13096, 16370, 32740, 65480, 119501, 239002, 478004, 597505, 956008, 1195010, 2390020, 4780040]

約数ペア:

[(1, 4780040), (2, 2390020), (4, 1195010), (5, 956008), (8, 597505), (10, 478004), (20, 239002), (40, 119501), (73, 65480), (146, 32740), (292, 16370), (365, 13096), (584, 8185), (730, 6548), (1460, 3274), (1637, 2920)]