2861420

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{827}}^1$

素因数の和:1009

約数の個数: 24

約数和(自身を含む): 6051024

約数和(自身を除く): 3189604

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 827, 865, 1654, 1730, 3308, 3460, 4135, 8270, 16540, 143071, 286142, 572284, 715355, 1430710, 2861420]

約数ペア:

[(1, 2861420), (2, 1430710), (4, 715355), (5, 572284), (10, 286142), (20, 143071), (173, 16540), (346, 8270), (692, 4135), (827, 3460), (865, 3308), (1654, 1730)]