27688540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{991}}^1$

素因数の和:1138

約数の個数: 48

約数和(自身を含む): 63995904

約数和(自身を除く): 36307364

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 127, 220, 254, 508, 635, 991, 1270, 1397, 1982, 2540, 2794, 3964, 4955, 5588, 6985, 9910, 10901, 13970, 19820, 21802, 27940, 43604, 54505, 109010, 125857, 218020, 251714, 503428, 629285, 1258570, 1384427, 2517140, 2768854, 5537708, 6922135, 13844270, 27688540]

約数ペア:

[(1, 27688540), (2, 13844270), (4, 6922135), (5, 5537708), (10, 2768854), (11, 2517140), (20, 1384427), (22, 1258570), (44, 629285), (55, 503428), (110, 251714), (127, 218020), (220, 125857), (254, 109010), (508, 54505), (635, 43604), (991, 27940), (1270, 21802), (1397, 19820), (1982, 13970), (2540, 10901), (2794, 9910), (3964, 6985), (4955, 5588)]