89140880

素因数分解:

$2^4\times 5^1\times {\mathrm{1114261}}^1$

素因数の和:1114274

約数の個数: 20

約数和(自身を含む): 207252732

約数和(自身を除く): 118111852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1114261, 2228522, 4457044, 5571305, 8914088, 11142610, 17828176, 22285220, 44570440, 89140880]

約数ペア:

[(1, 89140880), (2, 44570440), (4, 22285220), (5, 17828176), (8, 11142610), (10, 8914088), (16, 5571305), (20, 4457044), (40, 2228522), (80, 1114261)]