48580040

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:342

約数の個数: 64

約数和(自身を含む): 112527360

約数和(自身を除く): 63947320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 127, 131, 146, 254, 262, 292, 365, 508, 524, 584, 635, 655, 730, 1016, 1048, 1270, 1310, 1460, 2540, 2620, 2920, 5080, 5240, 9271, 9563, 16637, 18542, 19126, 33274, 37084, 38252, 46355, 47815, 66548, 74168, 76504, 83185, 92710, 95630, 133096, 166370, 185420, 191260, 332740, 370840, 382520, 665480, 1214501, 2429002, 4858004, 6072505, 9716008, 12145010, 24290020, 48580040]

約数ペア:

[(1, 48580040), (2, 24290020), (4, 12145010), (5, 9716008), (8, 6072505), (10, 4858004), (20, 2429002), (40, 1214501), (73, 665480), (127, 382520), (131, 370840), (146, 332740), (254, 191260), (262, 185420), (292, 166370), (365, 133096), (508, 95630), (524, 92710), (584, 83185), (635, 76504), (655, 74168), (730, 66548), (1016, 47815), (1048, 46355), (1270, 38252), (1310, 37084), (1460, 33274), (2540, 19126), (2620, 18542), (2920, 16637), (5080, 9563), (5240, 9271)]