156799996720

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{17981651}}^1$

素因数の和:17981773

約数の個数: 40

約数和(自身を含む): 367904599920

約数和(自身を除く): 211104603200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 17981651, 35963302, 71926604, 89908255, 143853208, 179816510, 287706416, 359633020, 719266040, 1438532080, 1959999959, 3919999918, 7839999836, 9799999795, 15679999672, 19599999590, 31359999344, 39199999180, 78399998360, 156799996720]

約数ペア:

[(1, 156799996720), (2, 78399998360), (4, 39199999180), (5, 31359999344), (8, 19599999590), (10, 15679999672), (16, 9799999795), (20, 7839999836), (40, 3919999918), (80, 1959999959), (109, 1438532080), (218, 719266040), (436, 359633020), (545, 287706416), (872, 179816510), (1090, 143853208), (1744, 89908255), (2180, 71926604), (4360, 35963302), (8720, 17981651)]