51506840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2389}}^1$

素因数の和:2425

約数の個数: 96

約数和(自身を含む): 147128400

約数和(自身を除く): 95621560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 616, 770, 980, 1078, 1540, 1960, 2156, 2389, 2695, 3080, 4312, 4778, 5390, 9556, 10780, 11945, 16723, 19112, 21560, 23890, 26279, 33446, 47780, 52558, 66892, 83615, 95560, 105116, 117061, 131395, 133784, 167230, 183953, 210232, 234122, 262790, 334460, 367906, 468244, 525580, 585305, 668920, 735812, 919765, 936488, 1051160, 1170610, 1287671, 1471624, 1839530, 2341220, 2575342, 3679060, 4682440, 5150684, 6438355, 7358120, 10301368, 12876710, 25753420, 51506840]

約数ペア:

[(1, 51506840), (2, 25753420), (4, 12876710), (5, 10301368), (7, 7358120), (8, 6438355), (10, 5150684), (11, 4682440), (14, 3679060), (20, 2575342), (22, 2341220), (28, 1839530), (35, 1471624), (40, 1287671), (44, 1170610), (49, 1051160), (55, 936488), (56, 919765), (70, 735812), (77, 668920), (88, 585305), (98, 525580), (110, 468244), (140, 367906), (154, 334460), (196, 262790), (220, 234122), (245, 210232), (280, 183953), (308, 167230), (385, 133784), (392, 131395), (440, 117061), (490, 105116), (539, 95560), (616, 83615), (770, 66892), (980, 52558), (1078, 47780), (1540, 33446), (1960, 26279), (2156, 23890), (2389, 21560), (2695, 19112), (3080, 16723), (4312, 11945), (4778, 10780), (5390, 9556)]