40140380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1759}}^1$

素因数の和:1938

約数の個数: 48

約数和(自身を含む): 96983040

約数和(自身を除く): 56842660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 326, 652, 815, 1141, 1630, 1759, 2282, 3260, 3518, 4564, 5705, 7036, 8795, 11410, 12313, 17590, 22820, 24626, 35180, 49252, 61565, 123130, 246260, 286717, 573434, 1146868, 1433585, 2007019, 2867170, 4014038, 5734340, 8028076, 10035095, 20070190, 40140380]

約数ペア:

[(1, 40140380), (2, 20070190), (4, 10035095), (5, 8028076), (7, 5734340), (10, 4014038), (14, 2867170), (20, 2007019), (28, 1433585), (35, 1146868), (70, 573434), (140, 286717), (163, 246260), (326, 123130), (652, 61565), (815, 49252), (1141, 35180), (1630, 24626), (1759, 22820), (2282, 17590), (3260, 12313), (3518, 11410), (4564, 8795), (5705, 7036)]