25939540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{751}}^1$

素因数の和:928

約数の個数: 48

約数和(自身を含む): 59883264

約数和(自身を除く): 33943724

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 157, 220, 314, 628, 751, 785, 1502, 1570, 1727, 3004, 3140, 3454, 3755, 6908, 7510, 8261, 8635, 15020, 16522, 17270, 33044, 34540, 41305, 82610, 117907, 165220, 235814, 471628, 589535, 1179070, 1296977, 2358140, 2593954, 5187908, 6484885, 12969770, 25939540]

約数ペア:

[(1, 25939540), (2, 12969770), (4, 6484885), (5, 5187908), (10, 2593954), (11, 2358140), (20, 1296977), (22, 1179070), (44, 589535), (55, 471628), (110, 235814), (157, 165220), (220, 117907), (314, 82610), (628, 41305), (751, 34540), (785, 33044), (1502, 17270), (1570, 16522), (1727, 15020), (3004, 8635), (3140, 8261), (3454, 7510), (3755, 6908)]