40960868

素因数分解:

$2^2\times {\mathrm{13}}^3\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:181

約数の個数: 48

約数和(自身を含む): 79968000

約数和(自身を除く): 39007132

約数列:

[1, 2, 4, 13, 26, 52, 59, 79, 118, 158, 169, 236, 316, 338, 676, 767, 1027, 1534, 2054, 2197, 3068, 4108, 4394, 4661, 8788, 9322, 9971, 13351, 18644, 19942, 26702, 39884, 53404, 60593, 121186, 129623, 173563, 242372, 259246, 347126, 518492, 694252, 787709, 1575418, 3150836, 10240217, 20480434, 40960868]

約数ペア:

[(1, 40960868), (2, 20480434), (4, 10240217), (13, 3150836), (26, 1575418), (52, 787709), (59, 694252), (79, 518492), (118, 347126), (158, 259246), (169, 242372), (236, 173563), (316, 129623), (338, 121186), (676, 60593), (767, 53404), (1027, 39884), (1534, 26702), (2054, 19942), (2197, 18644), (3068, 13351), (4108, 9971), (4394, 9322), (4661, 8788)]