44404040

素因数分解:

$2^3\times 5^1\times {\mathrm{557}}^1\times {\mathrm{1993}}^1$

素因数の和:2561

約数の個数: 32

約数和(自身を含む): 100138680

約数和(自身を除く): 55734640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 557, 1114, 1993, 2228, 2785, 3986, 4456, 5570, 7972, 9965, 11140, 15944, 19930, 22280, 39860, 79720, 1110101, 2220202, 4440404, 5550505, 8880808, 11101010, 22202020, 44404040]

約数ペア:

[(1, 44404040), (2, 22202020), (4, 11101010), (5, 8880808), (8, 5550505), (10, 4440404), (20, 2220202), (40, 1110101), (557, 79720), (1114, 39860), (1993, 22280), (2228, 19930), (2785, 15944), (3986, 11140), (4456, 9965), (5570, 7972)]