40274416

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:366

約数の個数: 80

約数和(自身を含む): 97216000

約数和(自身を除く): 56941584

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 139, 182, 199, 208, 278, 364, 398, 556, 728, 796, 973, 1112, 1393, 1456, 1592, 1807, 1946, 2224, 2587, 2786, 3184, 3614, 3892, 5174, 5572, 7228, 7784, 10348, 11144, 12649, 14456, 15568, 18109, 20696, 22288, 25298, 27661, 28912, 36218, 41392, 50596, 55322, 72436, 101192, 110644, 144872, 193627, 202384, 221288, 289744, 359593, 387254, 442576, 719186, 774508, 1438372, 1549016, 2517151, 2876744, 3098032, 5034302, 5753488, 10068604, 20137208, 40274416]

約数ペア:

[(1, 40274416), (2, 20137208), (4, 10068604), (7, 5753488), (8, 5034302), (13, 3098032), (14, 2876744), (16, 2517151), (26, 1549016), (28, 1438372), (52, 774508), (56, 719186), (91, 442576), (104, 387254), (112, 359593), (139, 289744), (182, 221288), (199, 202384), (208, 193627), (278, 144872), (364, 110644), (398, 101192), (556, 72436), (728, 55322), (796, 50596), (973, 41392), (1112, 36218), (1393, 28912), (1456, 27661), (1592, 25298), (1807, 22288), (1946, 20696), (2224, 18109), (2587, 15568), (2786, 14456), (3184, 12649), (3614, 11144), (3892, 10348), (5174, 7784), (5572, 7228)]