2103460640

素因数分解:

$2^5\times 5^1\times {\mathrm{661}}^1\times {\mathrm{19889}}^1$

素因数の和:20565

約数の個数: 48

約数和(自身を含む): 4977194040

約数和(自身を除く): 2873733400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 661, 1322, 2644, 3305, 5288, 6610, 10576, 13220, 19889, 21152, 26440, 39778, 52880, 79556, 99445, 105760, 159112, 198890, 318224, 397780, 636448, 795560, 1591120, 3182240, 13146629, 26293258, 52586516, 65733145, 105173032, 131466290, 210346064, 262932580, 420692128, 525865160, 1051730320, 2103460640]

約数ペア:

[(1, 2103460640), (2, 1051730320), (4, 525865160), (5, 420692128), (8, 262932580), (10, 210346064), (16, 131466290), (20, 105173032), (32, 65733145), (40, 52586516), (80, 26293258), (160, 13146629), (661, 3182240), (1322, 1591120), (2644, 795560), (3305, 636448), (5288, 397780), (6610, 318224), (10576, 198890), (13220, 159112), (19889, 105760), (21152, 99445), (26440, 79556), (39778, 52880)]