71440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:79

約数の個数: 40

約数和(自身を含む): 178560

約数和(自身を除く): 107120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 47, 76, 80, 94, 95, 152, 188, 190, 235, 304, 376, 380, 470, 752, 760, 893, 940, 1520, 1786, 1880, 3572, 3760, 4465, 7144, 8930, 14288, 17860, 35720, 71440]

約数ペア:

[(1, 71440), (2, 35720), (4, 17860), (5, 14288), (8, 8930), (10, 7144), (16, 4465), (19, 3760), (20, 3572), (38, 1880), (40, 1786), (47, 1520), (76, 940), (80, 893), (94, 760), (95, 752), (152, 470), (188, 380), (190, 376), (235, 304)]