40801970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:251

約数の個数: 64

約数和(自身を含む): 83825280

約数和(自身を除く): 43023310

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 83, 109, 110, 166, 205, 218, 410, 415, 451, 545, 830, 902, 913, 1090, 1199, 1826, 2255, 2398, 3403, 4469, 4510, 4565, 5995, 6806, 8938, 9047, 9130, 11990, 17015, 18094, 22345, 34030, 37433, 44690, 45235, 49159, 74866, 90470, 98318, 99517, 187165, 199034, 245795, 370927, 374330, 491590, 497585, 741854, 995170, 1854635, 3709270, 4080197, 8160394, 20400985, 40801970]

約数ペア:

[(1, 40801970), (2, 20400985), (5, 8160394), (10, 4080197), (11, 3709270), (22, 1854635), (41, 995170), (55, 741854), (82, 497585), (83, 491590), (109, 374330), (110, 370927), (166, 245795), (205, 199034), (218, 187165), (410, 99517), (415, 98318), (451, 90470), (545, 74866), (830, 49159), (902, 45235), (913, 44690), (1090, 37433), (1199, 34030), (1826, 22345), (2255, 18094), (2398, 17015), (3403, 11990), (4469, 9130), (4510, 9047), (4565, 8938), (5995, 6806)]