201791540

素因数分解:

$2^2\times 5^1\times {\mathrm{1277}}^1\times {\mathrm{7901}}^1$

素因数の和:9187

約数の個数: 24

約数和(自身を含む): 424147752

約数和(自身を除く): 222356212

約数列:

[1, 2, 4, 5, 10, 20, 1277, 2554, 5108, 6385, 7901, 12770, 15802, 25540, 31604, 39505, 79010, 158020, 10089577, 20179154, 40358308, 50447885, 100895770, 201791540]

約数ペア:

[(1, 201791540), (2, 100895770), (4, 50447885), (5, 40358308), (10, 20179154), (20, 10089577), (1277, 158020), (2554, 79010), (5108, 39505), (6385, 31604), (7901, 25540), (12770, 15802)]