99566680

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{251}}^1$

素因数の和:520

約数の個数: 64

約数和(自身を含む): 230791680

約数和(自身を除く): 131225000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 211, 235, 251, 376, 422, 470, 502, 844, 940, 1004, 1055, 1255, 1688, 1880, 2008, 2110, 2510, 4220, 5020, 8440, 9917, 10040, 11797, 19834, 23594, 39668, 47188, 49585, 52961, 58985, 79336, 94376, 99170, 105922, 117970, 198340, 211844, 235940, 264805, 396680, 423688, 471880, 529610, 1059220, 2118440, 2489167, 4978334, 9956668, 12445835, 19913336, 24891670, 49783340, 99566680]

約数ペア:

[(1, 99566680), (2, 49783340), (4, 24891670), (5, 19913336), (8, 12445835), (10, 9956668), (20, 4978334), (40, 2489167), (47, 2118440), (94, 1059220), (188, 529610), (211, 471880), (235, 423688), (251, 396680), (376, 264805), (422, 235940), (470, 211844), (502, 198340), (844, 117970), (940, 105922), (1004, 99170), (1055, 94376), (1255, 79336), (1688, 58985), (1880, 52961), (2008, 49585), (2110, 47188), (2510, 39668), (4220, 23594), (5020, 19834), (8440, 11797), (9917, 10040)]