39905690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{15773}}^1$

素因数の和:15814

約数の個数: 32

約数和(自身を含む): 81772416

約数和(自身を除く): 41866726

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 15773, 31546, 78865, 157730, 173503, 347006, 362779, 725558, 867515, 1735030, 1813895, 3627790, 3990569, 7981138, 19952845, 39905690]

約数ペア:

[(1, 39905690), (2, 19952845), (5, 7981138), (10, 3990569), (11, 3627790), (22, 1813895), (23, 1735030), (46, 867515), (55, 725558), (110, 362779), (115, 347006), (230, 173503), (253, 157730), (506, 78865), (1265, 31546), (2530, 15773)]