68495920

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{18217}}^1$

素因数の和:18277

約数の個数: 40

約数和(自身を含む): 162650304

約数和(自身を除く): 94154384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 18217, 36434, 72868, 91085, 145736, 182170, 291472, 364340, 728680, 856199, 1457360, 1712398, 3424796, 4280995, 6849592, 8561990, 13699184, 17123980, 34247960, 68495920]

約数ペア:

[(1, 68495920), (2, 34247960), (4, 17123980), (5, 13699184), (8, 8561990), (10, 6849592), (16, 4280995), (20, 3424796), (40, 1712398), (47, 1457360), (80, 856199), (94, 728680), (188, 364340), (235, 291472), (376, 182170), (470, 145736), (752, 91085), (940, 72868), (1880, 36434), (3760, 18217)]