40518090040

素因数分解:

$2^3\times 5^1\times {\mathrm{2251}}^1\times {\mathrm{450001}}^1$

素因数の和:452263

約数の個数: 32

約数和(自身を含む): 91206405360

約数和(自身を除く): 50688315320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2251, 4502, 9004, 11255, 18008, 22510, 45020, 90040, 450001, 900002, 1800004, 2250005, 3600008, 4500010, 9000020, 18000040, 1012952251, 2025904502, 4051809004, 5064761255, 8103618008, 10129522510, 20259045020, 40518090040]

約数ペア:

[(1, 40518090040), (2, 20259045020), (4, 10129522510), (5, 8103618008), (8, 5064761255), (10, 4051809004), (20, 2025904502), (40, 1012952251), (2251, 18000040), (4502, 9000020), (9004, 4500010), (11255, 3600008), (18008, 2250005), (22510, 1800004), (45020, 900002), (90040, 450001)]