68791420

素因数分解:

$2^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{8209}}^1$

素因数の和:8637

約数の個数: 24

約数和(自身を含む): 144824400

約数和(自身を除く): 76032980

約数列:

[1, 2, 4, 5, 10, 20, 419, 838, 1676, 2095, 4190, 8209, 8380, 16418, 32836, 41045, 82090, 164180, 3439571, 6879142, 13758284, 17197855, 34395710, 68791420]

約数ペア:

[(1, 68791420), (2, 34395710), (4, 17197855), (5, 13758284), (10, 6879142), (20, 3439571), (419, 164180), (838, 82090), (1676, 41045), (2095, 32836), (4190, 16418), (8209, 8380)]