40073740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1453}}^1$

素因数の和:1666

約数の個数: 48

約数和(自身を含む): 96731712

約数和(自身を除く): 56657972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 788, 985, 1379, 1453, 1970, 2758, 2906, 3940, 5516, 5812, 6895, 7265, 10171, 13790, 14530, 20342, 27580, 29060, 40684, 50855, 101710, 203420, 286241, 572482, 1144964, 1431205, 2003687, 2862410, 4007374, 5724820, 8014748, 10018435, 20036870, 40073740]

約数ペア:

[(1, 40073740), (2, 20036870), (4, 10018435), (5, 8014748), (7, 5724820), (10, 4007374), (14, 2862410), (20, 2003687), (28, 1431205), (35, 1144964), (70, 572482), (140, 286241), (197, 203420), (394, 101710), (788, 50855), (985, 40684), (1379, 29060), (1453, 27580), (1970, 20342), (2758, 14530), (2906, 13790), (3940, 10171), (5516, 7265), (5812, 6895)]