51659480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{673}}^1$

素因数の和:804

約数の個数: 64

約数和(自身を含む): 123746400

約数和(自身を除く): 72086920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 101, 152, 190, 202, 380, 404, 505, 673, 760, 808, 1010, 1346, 1919, 2020, 2692, 3365, 3838, 4040, 5384, 6730, 7676, 9595, 12787, 13460, 15352, 19190, 25574, 26920, 38380, 51148, 63935, 67973, 76760, 102296, 127870, 135946, 255740, 271892, 339865, 511480, 543784, 679730, 1291487, 1359460, 2582974, 2718920, 5165948, 6457435, 10331896, 12914870, 25829740, 51659480]

約数ペア:

[(1, 51659480), (2, 25829740), (4, 12914870), (5, 10331896), (8, 6457435), (10, 5165948), (19, 2718920), (20, 2582974), (38, 1359460), (40, 1291487), (76, 679730), (95, 543784), (101, 511480), (152, 339865), (190, 271892), (202, 255740), (380, 135946), (404, 127870), (505, 102296), (673, 76760), (760, 67973), (808, 63935), (1010, 51148), (1346, 38380), (1919, 26920), (2020, 25574), (2692, 19190), (3365, 15352), (3838, 13460), (4040, 12787), (5384, 9595), (6730, 7676)]