40942816

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{277}}^1$

素因数の和:467

約数の個数: 48

約数和(自身を含む): 84067200

約数和(自身を除く): 43124384

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 149, 248, 277, 298, 496, 554, 596, 992, 1108, 1192, 2216, 2384, 4432, 4619, 4768, 8587, 8864, 9238, 17174, 18476, 34348, 36952, 41273, 68696, 73904, 82546, 137392, 147808, 165092, 274784, 330184, 660368, 1279463, 1320736, 2558926, 5117852, 10235704, 20471408, 40942816]

約数ペア:

[(1, 40942816), (2, 20471408), (4, 10235704), (8, 5117852), (16, 2558926), (31, 1320736), (32, 1279463), (62, 660368), (124, 330184), (149, 274784), (248, 165092), (277, 147808), (298, 137392), (496, 82546), (554, 73904), (596, 68696), (992, 41273), (1108, 36952), (1192, 34348), (2216, 18476), (2384, 17174), (4432, 9238), (4619, 8864), (4768, 8587)]