811215040

素因数分解:

$2^6\times 5^1\times {\mathrm{127}}^1\times {\mathrm{19961}}^1$

素因数の和:20105

約数の個数: 56

約数和(自身を含む): 1947013632

約数和(自身を除く): 1135798592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 160, 254, 320, 508, 635, 1016, 1270, 2032, 2540, 4064, 5080, 8128, 10160, 19961, 20320, 39922, 40640, 79844, 99805, 159688, 199610, 319376, 399220, 638752, 798440, 1277504, 1596880, 2535047, 3193760, 5070094, 6387520, 10140188, 12675235, 20280376, 25350470, 40560752, 50700940, 81121504, 101401880, 162243008, 202803760, 405607520, 811215040]

約数ペア:

[(1, 811215040), (2, 405607520), (4, 202803760), (5, 162243008), (8, 101401880), (10, 81121504), (16, 50700940), (20, 40560752), (32, 25350470), (40, 20280376), (64, 12675235), (80, 10140188), (127, 6387520), (160, 5070094), (254, 3193760), (320, 2535047), (508, 1596880), (635, 1277504), (1016, 798440), (1270, 638752), (2032, 399220), (2540, 319376), (4064, 199610), (5080, 159688), (8128, 99805), (10160, 79844), (19961, 40640), (20320, 39922)]