7866640

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{919}}^1$

素因数の和:1039

約数の個数: 40

約数和(自身を含む): 18480960

約数和(自身を除く): 10614320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 919, 1070, 1712, 1838, 2140, 3676, 4280, 4595, 7352, 8560, 9190, 14704, 18380, 36760, 73520, 98333, 196666, 393332, 491665, 786664, 983330, 1573328, 1966660, 3933320, 7866640]

約数ペア:

[(1, 7866640), (2, 3933320), (4, 1966660), (5, 1573328), (8, 983330), (10, 786664), (16, 491665), (20, 393332), (40, 196666), (80, 98333), (107, 73520), (214, 36760), (428, 18380), (535, 14704), (856, 9190), (919, 8560), (1070, 7352), (1712, 4595), (1838, 4280), (2140, 3676)]