89968240

素因数分解:

$2^4\times 5^1\times {\mathrm{1124603}}^1$

素因数の和:1124616

約数の個数: 20

約数和(自身を含む): 209176344

約数和(自身を除く): 119208104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1124603, 2249206, 4498412, 5623015, 8996824, 11246030, 17993648, 22492060, 44984120, 89968240]

約数ペア:

[(1, 89968240), (2, 44984120), (4, 22492060), (5, 17993648), (8, 11246030), (10, 8996824), (16, 5623015), (20, 4498412), (40, 2249206), (80, 1124603)]