81853550

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{653}}^1$

素因数の和:797

約数の個数: 48

約数和(自身を含む): 160570080

約数和(自身を除く): 78716530

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 109, 115, 218, 230, 545, 575, 653, 1090, 1150, 1306, 2507, 2725, 3265, 5014, 5450, 6530, 12535, 15019, 16325, 25070, 30038, 32650, 62675, 71177, 75095, 125350, 142354, 150190, 355885, 375475, 711770, 750950, 1637071, 1779425, 3274142, 3558850, 8185355, 16370710, 40926775, 81853550]

約数ペア:

[(1, 81853550), (2, 40926775), (5, 16370710), (10, 8185355), (23, 3558850), (25, 3274142), (46, 1779425), (50, 1637071), (109, 750950), (115, 711770), (218, 375475), (230, 355885), (545, 150190), (575, 142354), (653, 125350), (1090, 75095), (1150, 71177), (1306, 62675), (2507, 32650), (2725, 30038), (3265, 25070), (5014, 16325), (5450, 15019), (6530, 12535)]