64869040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{42677}}^1$

素因数の和:42709

約数の個数: 40

約数和(自身を含む): 158762160

約数和(自身を除く): 93893120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 42677, 85354, 170708, 213385, 341416, 426770, 682832, 810863, 853540, 1621726, 1707080, 3243452, 3414160, 4054315, 6486904, 8108630, 12973808, 16217260, 32434520, 64869040]

約数ペア:

[(1, 64869040), (2, 32434520), (4, 16217260), (5, 12973808), (8, 8108630), (10, 6486904), (16, 4054315), (19, 3414160), (20, 3243452), (38, 1707080), (40, 1621726), (76, 853540), (80, 810863), (95, 682832), (152, 426770), (190, 341416), (304, 213385), (380, 170708), (760, 85354), (1520, 42677)]