31128640

素因数分解:

$2^6\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1093}}^1$

素因数の和:1199

約数の個数: 56

約数和(自身を含む): 75026520

約数和(自身を除く): 43897880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 160, 178, 320, 356, 445, 712, 890, 1093, 1424, 1780, 2186, 2848, 3560, 4372, 5465, 5696, 7120, 8744, 10930, 14240, 17488, 21860, 28480, 34976, 43720, 69952, 87440, 97277, 174880, 194554, 349760, 389108, 486385, 778216, 972770, 1556432, 1945540, 3112864, 3891080, 6225728, 7782160, 15564320, 31128640]

約数ペア:

[(1, 31128640), (2, 15564320), (4, 7782160), (5, 6225728), (8, 3891080), (10, 3112864), (16, 1945540), (20, 1556432), (32, 972770), (40, 778216), (64, 486385), (80, 389108), (89, 349760), (160, 194554), (178, 174880), (320, 97277), (356, 87440), (445, 69952), (712, 43720), (890, 34976), (1093, 28480), (1424, 21860), (1780, 17488), (2186, 14240), (2848, 10930), (3560, 8744), (4372, 7120), (5465, 5696)]