388625320

素因数分解:

$2^3\times 5^1\times {\mathrm{739}}^1\times {\mathrm{13147}}^1$

素因数の和:13897

約数の個数: 32

約数和(自身を含む): 875656800

約数和(自身を除く): 487031480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 739, 1478, 2956, 3695, 5912, 7390, 13147, 14780, 26294, 29560, 52588, 65735, 105176, 131470, 262940, 525880, 9715633, 19431266, 38862532, 48578165, 77725064, 97156330, 194312660, 388625320]

約数ペア:

[(1, 388625320), (2, 194312660), (4, 97156330), (5, 77725064), (8, 48578165), (10, 38862532), (20, 19431266), (40, 9715633), (739, 525880), (1478, 262940), (2956, 131470), (3695, 105176), (5912, 65735), (7390, 52588), (13147, 29560), (14780, 26294)]