42557240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{311}}^2$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 104795640

約数和(自身を除く): 62238400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 311, 440, 622, 1244, 1555, 2488, 3110, 3421, 6220, 6842, 12440, 13684, 17105, 27368, 34210, 68420, 96721, 136840, 193442, 386884, 483605, 773768, 967210, 1063931, 1934420, 2127862, 3868840, 4255724, 5319655, 8511448, 10639310, 21278620, 42557240]

約数ペア:

[(1, 42557240), (2, 21278620), (4, 10639310), (5, 8511448), (8, 5319655), (10, 4255724), (11, 3868840), (20, 2127862), (22, 1934420), (40, 1063931), (44, 967210), (55, 773768), (88, 483605), (110, 386884), (220, 193442), (311, 136840), (440, 96721), (622, 68420), (1244, 34210), (1555, 27368), (2488, 17105), (3110, 13684), (3421, 12440), (6220, 6842)]