17779880

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{6089}}^1$

素因数の和:6173

約数の個数: 32

約数和(自身を含む): 40559400

約数和(自身を除く): 22779520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 6089, 12178, 24356, 30445, 48712, 60890, 121780, 243560, 444497, 888994, 1777988, 2222485, 3555976, 4444970, 8889940, 17779880]

約数ペア:

[(1, 17779880), (2, 8889940), (4, 4444970), (5, 3555976), (8, 2222485), (10, 1777988), (20, 888994), (40, 444497), (73, 243560), (146, 121780), (292, 60890), (365, 48712), (584, 30445), (730, 24356), (1460, 12178), (2920, 6089)]