57290120

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{193}}^1$

素因数の和:426

約数の個数: 64

約数和(自身を含む): 133464240

約数和(自身を除く): 76174120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 181, 193, 205, 328, 362, 386, 410, 724, 772, 820, 905, 965, 1448, 1544, 1640, 1810, 1930, 3620, 3860, 7240, 7421, 7720, 7913, 14842, 15826, 29684, 31652, 34933, 37105, 39565, 59368, 63304, 69866, 74210, 79130, 139732, 148420, 158260, 174665, 279464, 296840, 316520, 349330, 698660, 1397320, 1432253, 2864506, 5729012, 7161265, 11458024, 14322530, 28645060, 57290120]

約数ペア:

[(1, 57290120), (2, 28645060), (4, 14322530), (5, 11458024), (8, 7161265), (10, 5729012), (20, 2864506), (40, 1432253), (41, 1397320), (82, 698660), (164, 349330), (181, 316520), (193, 296840), (205, 279464), (328, 174665), (362, 158260), (386, 148420), (410, 139732), (724, 79130), (772, 74210), (820, 69866), (905, 63304), (965, 59368), (1448, 39565), (1544, 37105), (1640, 34933), (1810, 31652), (1930, 29684), (3620, 15826), (3860, 14842), (7240, 7913), (7421, 7720)]