82147120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{337}}^1$

素因数の和:638

約数の個数: 80

約数和(自身を含む): 209727648

約数和(自身を除く): 127580528

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 277, 337, 440, 554, 674, 880, 1108, 1348, 1385, 1685, 2216, 2696, 2770, 3047, 3370, 3707, 4432, 5392, 5540, 6094, 6740, 7414, 11080, 12188, 13480, 14828, 15235, 18535, 22160, 24376, 26960, 29656, 30470, 37070, 48752, 59312, 60940, 74140, 93349, 121880, 148280, 186698, 243760, 296560, 373396, 466745, 746792, 933490, 1026839, 1493584, 1866980, 2053678, 3733960, 4107356, 5134195, 7467920, 8214712, 10268390, 16429424, 20536780, 41073560, 82147120]

約数ペア:

[(1, 82147120), (2, 41073560), (4, 20536780), (5, 16429424), (8, 10268390), (10, 8214712), (11, 7467920), (16, 5134195), (20, 4107356), (22, 3733960), (40, 2053678), (44, 1866980), (55, 1493584), (80, 1026839), (88, 933490), (110, 746792), (176, 466745), (220, 373396), (277, 296560), (337, 243760), (440, 186698), (554, 148280), (674, 121880), (880, 93349), (1108, 74140), (1348, 60940), (1385, 59312), (1685, 48752), (2216, 37070), (2696, 30470), (2770, 29656), (3047, 26960), (3370, 24376), (3707, 22160), (4432, 18535), (5392, 15235), (5540, 14828), (6094, 13480), (6740, 12188), (7414, 11080)]