80575408

素因数分解:

$2^4\times {\mathrm{181}}^1\times {\mathrm{27823}}^1$

素因数の和:28012

約数の個数: 20

約数和(自身を含む): 156983008

約数和(自身を除く): 76407600

約数列:

[1, 2, 4, 8, 16, 181, 362, 724, 1448, 2896, 27823, 55646, 111292, 222584, 445168, 5035963, 10071926, 20143852, 40287704, 80575408]

約数ペア:

[(1, 80575408), (2, 40287704), (4, 20143852), (8, 10071926), (16, 5035963), (181, 445168), (362, 222584), (724, 111292), (1448, 55646), (2896, 27823)]