81409030

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{80603}}^1$

素因数の和:80711

約数の個数: 16

約数和(自身を含む): 147988944

約数和(自身を除く): 66579914

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 80603, 161206, 403015, 806030, 8140903, 16281806, 40704515, 81409030]

約数ペア:

[(1, 81409030), (2, 40704515), (5, 16281806), (10, 8140903), (101, 806030), (202, 403015), (505, 161206), (1010, 80603)]