7131414520

素因数分解:

$2^3\times 5^1\times {\mathrm{439}}^1\times {\mathrm{406117}}^1$

素因数の和:406567

約数の個数: 32

約数和(自身を含む): 16082272800

約数和(自身を除く): 8950858280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 439, 878, 1756, 2195, 3512, 4390, 8780, 17560, 406117, 812234, 1624468, 2030585, 3248936, 4061170, 8122340, 16244680, 178285363, 356570726, 713141452, 891426815, 1426282904, 1782853630, 3565707260, 7131414520]

約数ペア:

[(1, 7131414520), (2, 3565707260), (4, 1782853630), (5, 1426282904), (8, 891426815), (10, 713141452), (20, 356570726), (40, 178285363), (439, 16244680), (878, 8122340), (1756, 4061170), (2195, 3248936), (3512, 2030585), (4390, 1624468), (8780, 812234), (17560, 406117)]