27909520

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:248

約数の個数: 80

約数和(自身を含む): 67995648

約数和(自身を除く): 40086128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 67, 80, 82, 127, 134, 164, 205, 254, 268, 328, 335, 410, 508, 536, 635, 656, 670, 820, 1016, 1072, 1270, 1340, 1640, 2032, 2540, 2680, 2747, 3280, 5080, 5207, 5360, 5494, 8509, 10160, 10414, 10988, 13735, 17018, 20828, 21976, 26035, 27470, 34036, 41656, 42545, 43952, 52070, 54940, 68072, 83312, 85090, 104140, 109880, 136144, 170180, 208280, 219760, 340360, 348869, 416560, 680720, 697738, 1395476, 1744345, 2790952, 3488690, 5581904, 6977380, 13954760, 27909520]

約数ペア:

[(1, 27909520), (2, 13954760), (4, 6977380), (5, 5581904), (8, 3488690), (10, 2790952), (16, 1744345), (20, 1395476), (40, 697738), (41, 680720), (67, 416560), (80, 348869), (82, 340360), (127, 219760), (134, 208280), (164, 170180), (205, 136144), (254, 109880), (268, 104140), (328, 85090), (335, 83312), (410, 68072), (508, 54940), (536, 52070), (635, 43952), (656, 42545), (670, 41656), (820, 34036), (1016, 27470), (1072, 26035), (1270, 21976), (1340, 20828), (1640, 17018), (2032, 13735), (2540, 10988), (2680, 10414), (2747, 10160), (3280, 8509), (5080, 5494), (5207, 5360)]