4805080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{131}}^2$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 12450960

約数和(自身を除く): 7645880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 131, 140, 262, 280, 524, 655, 917, 1048, 1310, 1834, 2620, 3668, 4585, 5240, 7336, 9170, 17161, 18340, 34322, 36680, 68644, 85805, 120127, 137288, 171610, 240254, 343220, 480508, 600635, 686440, 961016, 1201270, 2402540, 4805080]

約数ペア:

[(1, 4805080), (2, 2402540), (4, 1201270), (5, 961016), (7, 686440), (8, 600635), (10, 480508), (14, 343220), (20, 240254), (28, 171610), (35, 137288), (40, 120127), (56, 85805), (70, 68644), (131, 36680), (140, 34322), (262, 18340), (280, 17161), (524, 9170), (655, 7336), (917, 5240), (1048, 4585), (1310, 3668), (1834, 2620)]