31993840

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:254

約数の個数: 80

約数和(自身を含む): 77709312

約数和(自身を除く): 45715472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 67, 80, 94, 127, 134, 188, 235, 254, 268, 335, 376, 470, 508, 536, 635, 670, 752, 940, 1016, 1072, 1270, 1340, 1880, 2032, 2540, 2680, 3149, 3760, 5080, 5360, 5969, 6298, 8509, 10160, 11938, 12596, 15745, 17018, 23876, 25192, 29845, 31490, 34036, 42545, 47752, 50384, 59690, 62980, 68072, 85090, 95504, 119380, 125960, 136144, 170180, 238760, 251920, 340360, 399923, 477520, 680720, 799846, 1599692, 1999615, 3199384, 3999230, 6398768, 7998460, 15996920, 31993840]

約数ペア:

[(1, 31993840), (2, 15996920), (4, 7998460), (5, 6398768), (8, 3999230), (10, 3199384), (16, 1999615), (20, 1599692), (40, 799846), (47, 680720), (67, 477520), (80, 399923), (94, 340360), (127, 251920), (134, 238760), (188, 170180), (235, 136144), (254, 125960), (268, 119380), (335, 95504), (376, 85090), (470, 68072), (508, 62980), (536, 59690), (635, 50384), (670, 47752), (752, 42545), (940, 34036), (1016, 31490), (1072, 29845), (1270, 25192), (1340, 23876), (1880, 17018), (2032, 15745), (2540, 12596), (2680, 11938), (3149, 10160), (3760, 8509), (5080, 6298), (5360, 5969)]