25901680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2011}}^1$

素因数の和:2054

約数の個数: 80

約数和(自身を含む): 71852544

約数和(自身を除く): 45950864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2011, 2576, 3220, 4022, 6440, 8044, 10055, 12880, 14077, 16088, 20110, 28154, 32176, 40220, 46253, 56308, 70385, 80440, 92506, 112616, 140770, 160880, 185012, 225232, 231265, 281540, 323771, 370024, 462530, 563080, 647542, 740048, 925060, 1126160, 1295084, 1618855, 1850120, 2590168, 3237710, 3700240, 5180336, 6475420, 12950840, 25901680]

約数ペア:

[(1, 25901680), (2, 12950840), (4, 6475420), (5, 5180336), (7, 3700240), (8, 3237710), (10, 2590168), (14, 1850120), (16, 1618855), (20, 1295084), (23, 1126160), (28, 925060), (35, 740048), (40, 647542), (46, 563080), (56, 462530), (70, 370024), (80, 323771), (92, 281540), (112, 231265), (115, 225232), (140, 185012), (161, 160880), (184, 140770), (230, 112616), (280, 92506), (322, 80440), (368, 70385), (460, 56308), (560, 46253), (644, 40220), (805, 32176), (920, 28154), (1288, 20110), (1610, 16088), (1840, 14077), (2011, 12880), (2576, 10055), (3220, 8044), (4022, 6440)]