39807280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26189}}^1$

素因数の和:26221

約数の個数: 40

約数和(自身を含む): 97426800

約数和(自身を除く): 57619520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 26189, 52378, 104756, 130945, 209512, 261890, 419024, 497591, 523780, 995182, 1047560, 1990364, 2095120, 2487955, 3980728, 4975910, 7961456, 9951820, 19903640, 39807280]

約数ペア:

[(1, 39807280), (2, 19903640), (4, 9951820), (5, 7961456), (8, 4975910), (10, 3980728), (16, 2487955), (19, 2095120), (20, 1990364), (38, 1047560), (40, 995182), (76, 523780), (80, 497591), (95, 419024), (152, 261890), (190, 209512), (304, 130945), (380, 104756), (760, 52378), (1520, 26189)]