31030040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{40829}}^1$

素因数の和:40859

約数の個数: 32

約数和(自身を含む): 73494000

約数和(自身を除く): 42463960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 40829, 81658, 163316, 204145, 326632, 408290, 775751, 816580, 1551502, 1633160, 3103004, 3878755, 6206008, 7757510, 15515020, 31030040]

約数ペア:

[(1, 31030040), (2, 15515020), (4, 7757510), (5, 6206008), (8, 3878755), (10, 3103004), (19, 1633160), (20, 1551502), (38, 816580), (40, 775751), (76, 408290), (95, 326632), (152, 204145), (190, 163316), (380, 81658), (760, 40829)]