8021390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61703}}^1$

素因数の和:61723

約数の個数: 16

約数和(自身を含む): 15549408

約数和(自身を除く): 7528018

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 61703, 123406, 308515, 617030, 802139, 1604278, 4010695, 8021390]

約数ペア:

[(1, 8021390), (2, 4010695), (5, 1604278), (10, 802139), (13, 617030), (26, 308515), (65, 123406), (130, 61703)]