80674460

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{56813}}^1$

素因数の和:56893

約数の個数: 24

約数和(自身を含む): 171805536

約数和(自身を除く): 91131076

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 56813, 113626, 227252, 284065, 568130, 1136260, 4033723, 8067446, 16134892, 20168615, 40337230, 80674460]

約数ペア:

[(1, 80674460), (2, 40337230), (4, 20168615), (5, 16134892), (10, 8067446), (20, 4033723), (71, 1136260), (142, 568130), (284, 284065), (355, 227252), (710, 113626), (1420, 56813)]