40459880

素因数分解:

$2^3\times 5^1\times {\mathrm{653}}^1\times {\mathrm{1549}}^1$

素因数の和:2213

約数の個数: 32

約数和(自身を含む): 91233000

約数和(自身を除く): 50773120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 653, 1306, 1549, 2612, 3098, 3265, 5224, 6196, 6530, 7745, 12392, 13060, 15490, 26120, 30980, 61960, 1011497, 2022994, 4045988, 5057485, 8091976, 10114970, 20229940, 40459880]

約数ペア:

[(1, 40459880), (2, 20229940), (4, 10114970), (5, 8091976), (8, 5057485), (10, 4045988), (20, 2022994), (40, 1011497), (653, 61960), (1306, 30980), (1549, 26120), (2612, 15490), (3098, 13060), (3265, 12392), (5224, 7745), (6196, 6530)]