2001043120

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{97327}}^1$

素因数の和:97597

約数の個数: 40

約数和(自身を含む): 4670576064

約数和(自身を除く): 2669532944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 514, 1028, 1285, 2056, 2570, 4112, 5140, 10280, 20560, 97327, 194654, 389308, 486635, 778616, 973270, 1557232, 1946540, 3893080, 7786160, 25013039, 50026078, 100052156, 125065195, 200104312, 250130390, 400208624, 500260780, 1000521560, 2001043120]

約数ペア:

[(1, 2001043120), (2, 1000521560), (4, 500260780), (5, 400208624), (8, 250130390), (10, 200104312), (16, 125065195), (20, 100052156), (40, 50026078), (80, 25013039), (257, 7786160), (514, 3893080), (1028, 1946540), (1285, 1557232), (2056, 973270), (2570, 778616), (4112, 486635), (5140, 389308), (10280, 194654), (20560, 97327)]