28179140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{5569}}^1$

素因数の和:5612

約数の個数: 48

約数和(自身を含む): 67374720

約数和(自身を除く): 39195580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 5060, 5569, 11138, 22276, 27845, 55690, 61259, 111380, 122518, 128087, 245036, 256174, 306295, 512348, 612590, 640435, 1225180, 1280870, 1408957, 2561740, 2817914, 5635828, 7044785, 14089570, 28179140]

約数ペア:

[(1, 28179140), (2, 14089570), (4, 7044785), (5, 5635828), (10, 2817914), (11, 2561740), (20, 1408957), (22, 1280870), (23, 1225180), (44, 640435), (46, 612590), (55, 512348), (92, 306295), (110, 256174), (115, 245036), (220, 128087), (230, 122518), (253, 111380), (460, 61259), (506, 55690), (1012, 27845), (1265, 22276), (2530, 11138), (5060, 5569)]