8742380

素因数分解:

$2^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{839}}^1$

素因数の和:1369

約数の個数: 24

約数和(自身を含む): 18416160

約数和(自身を除く): 9673780

約数列:

[1, 2, 4, 5, 10, 20, 521, 839, 1042, 1678, 2084, 2605, 3356, 4195, 5210, 8390, 10420, 16780, 437119, 874238, 1748476, 2185595, 4371190, 8742380]

約数ペア:

[(1, 8742380), (2, 4371190), (4, 2185595), (5, 1748476), (10, 874238), (20, 437119), (521, 16780), (839, 10420), (1042, 8390), (1678, 5210), (2084, 4195), (2605, 3356)]