4261540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{5197}}^1$

素因数の和:5247

約数の個数: 24

約数和(自身を含む): 9169272

約数和(自身を除く): 4907732

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 5197, 10394, 20788, 25985, 51970, 103940, 213077, 426154, 852308, 1065385, 2130770, 4261540]

約数ペア:

[(1, 4261540), (2, 2130770), (4, 1065385), (5, 852308), (10, 426154), (20, 213077), (41, 103940), (82, 51970), (164, 25985), (205, 20788), (410, 10394), (820, 5197)]