12185140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{571}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 28252224

約数和(自身を除く): 16067084

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 97, 110, 194, 220, 388, 485, 571, 970, 1067, 1142, 1940, 2134, 2284, 2855, 4268, 5335, 5710, 6281, 10670, 11420, 12562, 21340, 25124, 31405, 55387, 62810, 110774, 125620, 221548, 276935, 553870, 609257, 1107740, 1218514, 2437028, 3046285, 6092570, 12185140]

約数ペア:

[(1, 12185140), (2, 6092570), (4, 3046285), (5, 2437028), (10, 1218514), (11, 1107740), (20, 609257), (22, 553870), (44, 276935), (55, 221548), (97, 125620), (110, 110774), (194, 62810), (220, 55387), (388, 31405), (485, 25124), (571, 21340), (970, 12562), (1067, 11420), (1142, 10670), (1940, 6281), (2134, 5710), (2284, 5335), (2855, 4268)]