40936040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 95634000

約数和(自身を除く): 54697960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 109, 164, 205, 218, 229, 328, 410, 436, 458, 545, 820, 872, 916, 1090, 1145, 1640, 1832, 2180, 2290, 4360, 4469, 4580, 8938, 9160, 9389, 17876, 18778, 22345, 24961, 35752, 37556, 44690, 46945, 49922, 75112, 89380, 93890, 99844, 124805, 178760, 187780, 199688, 249610, 375560, 499220, 998440, 1023401, 2046802, 4093604, 5117005, 8187208, 10234010, 20468020, 40936040]

約数ペア:

[(1, 40936040), (2, 20468020), (4, 10234010), (5, 8187208), (8, 5117005), (10, 4093604), (20, 2046802), (40, 1023401), (41, 998440), (82, 499220), (109, 375560), (164, 249610), (205, 199688), (218, 187780), (229, 178760), (328, 124805), (410, 99844), (436, 93890), (458, 89380), (545, 75112), (820, 49922), (872, 46945), (916, 44690), (1090, 37556), (1145, 35752), (1640, 24961), (1832, 22345), (2180, 18778), (2290, 17876), (4360, 9389), (4469, 9160), (4580, 8938)]