905349040

素因数分解:

$2^4\times 5^1\times {\mathrm{563}}^1\times {\mathrm{20101}}^1$

素因数の和:20677

約数の個数: 40

約数和(自身を含む): 2108780208

約数和(自身を除く): 1203431168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 563, 1126, 2252, 2815, 4504, 5630, 9008, 11260, 20101, 22520, 40202, 45040, 80404, 100505, 160808, 201010, 321616, 402020, 804040, 1608080, 11316863, 22633726, 45267452, 56584315, 90534904, 113168630, 181069808, 226337260, 452674520, 905349040]

約数ペア:

[(1, 905349040), (2, 452674520), (4, 226337260), (5, 181069808), (8, 113168630), (10, 90534904), (16, 56584315), (20, 45267452), (40, 22633726), (80, 11316863), (563, 1608080), (1126, 804040), (2252, 402020), (2815, 321616), (4504, 201010), (5630, 160808), (9008, 100505), (11260, 80404), (20101, 45040), (22520, 40202)]