13903567540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{373}}^1\times {\mathrm{487}}^1$

素因数の和:1001

約数の個数: 96

約数和(自身を含む): 30355395840

約数和(自身を除く): 16451828300

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 89, 172, 178, 215, 356, 373, 430, 445, 487, 746, 860, 890, 974, 1492, 1780, 1865, 1948, 2435, 3730, 3827, 4870, 7460, 7654, 9740, 15308, 16039, 19135, 20941, 32078, 33197, 38270, 41882, 43343, 64156, 66394, 76540, 80195, 83764, 86686, 104705, 132788, 160390, 165985, 173372, 181651, 209410, 216715, 320780, 331970, 363302, 418820, 433430, 663940, 726604, 866860, 908255, 1427471, 1816510, 1863749, 2854942, 3633020, 3727498, 5709884, 7137355, 7454996, 7810993, 9318745, 14274710, 15621986, 16166939, 18637490, 28549420, 31243972, 32333878, 37274980, 39054965, 64667756, 78109930, 80834695, 156219860, 161669390, 323338780, 695178377, 1390356754, 2780713508, 3475891885, 6951783770, 13903567540]

約数ペア:

[(1, 13903567540), (2, 6951783770), (4, 3475891885), (5, 2780713508), (10, 1390356754), (20, 695178377), (43, 323338780), (86, 161669390), (89, 156219860), (172, 80834695), (178, 78109930), (215, 64667756), (356, 39054965), (373, 37274980), (430, 32333878), (445, 31243972), (487, 28549420), (746, 18637490), (860, 16166939), (890, 15621986), (974, 14274710), (1492, 9318745), (1780, 7810993), (1865, 7454996), (1948, 7137355), (2435, 5709884), (3730, 3727498), (3827, 3633020), (4870, 2854942), (7460, 1863749), (7654, 1816510), (9740, 1427471), (15308, 908255), (16039, 866860), (19135, 726604), (20941, 663940), (32078, 433430), (33197, 418820), (38270, 363302), (41882, 331970), (43343, 320780), (64156, 216715), (66394, 209410), (76540, 181651), (80195, 173372), (83764, 165985), (86686, 160390), (104705, 132788)]