40490128

素因数分解:

$2^4\times 7^1\times {\mathrm{97}}^1\times {\mathrm{3727}}^1$

素因数の和:3839

約数の個数: 40

約数和(自身を含む): 90605312

約数和(自身を除く): 50115184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 97, 112, 194, 388, 679, 776, 1358, 1552, 2716, 3727, 5432, 7454, 10864, 14908, 26089, 29816, 52178, 59632, 104356, 208712, 361519, 417424, 723038, 1446076, 2530633, 2892152, 5061266, 5784304, 10122532, 20245064, 40490128]

約数ペア:

[(1, 40490128), (2, 20245064), (4, 10122532), (7, 5784304), (8, 5061266), (14, 2892152), (16, 2530633), (28, 1446076), (56, 723038), (97, 417424), (112, 361519), (194, 208712), (388, 104356), (679, 59632), (776, 52178), (1358, 29816), (1552, 26089), (2716, 14908), (3727, 10864), (5432, 7454)]