13721180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1327}}^1$

素因数の和:1394

約数の個数: 48

約数和(自身を含む): 32126976

約数和(自身を除く): 18405796

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 1327, 2068, 2585, 2654, 5170, 5308, 6635, 10340, 13270, 14597, 26540, 29194, 58388, 62369, 72985, 124738, 145970, 249476, 291940, 311845, 623690, 686059, 1247380, 1372118, 2744236, 3430295, 6860590, 13721180]

約数ペア:

[(1, 13721180), (2, 6860590), (4, 3430295), (5, 2744236), (10, 1372118), (11, 1247380), (20, 686059), (22, 623690), (44, 311845), (47, 291940), (55, 249476), (94, 145970), (110, 124738), (188, 72985), (220, 62369), (235, 58388), (470, 29194), (517, 26540), (940, 14597), (1034, 13270), (1327, 10340), (2068, 6635), (2585, 5308), (2654, 5170)]