12408380

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{6971}}^1$

素因数の和:7069

約数の個数: 24

約数和(自身を含む): 26354160

約数和(自身を除く): 13945780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 6971, 13942, 27884, 34855, 69710, 139420, 620419, 1240838, 2481676, 3102095, 6204190, 12408380]

約数ペア:

[(1, 12408380), (2, 6204190), (4, 3102095), (5, 2481676), (10, 1240838), (20, 620419), (89, 139420), (178, 69710), (356, 34855), (445, 27884), (890, 13942), (1780, 6971)]