13770140

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{11287}}^1$

素因数の和:11357

約数の個数: 24

約数和(自身を含む): 29393952

約数和(自身を除く): 15623812

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 11287, 22574, 45148, 56435, 112870, 225740, 688507, 1377014, 2754028, 3442535, 6885070, 13770140]

約数ペア:

[(1, 13770140), (2, 6885070), (4, 3442535), (5, 2754028), (10, 1377014), (20, 688507), (61, 225740), (122, 112870), (244, 56435), (305, 45148), (610, 22574), (1220, 11287)]