39969440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{281}}^1$

素因数の和:430

約数の個数: 96

約数和(自身を含む): 109154304

約数和(自身を除く): 69184864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 127, 140, 160, 224, 254, 280, 281, 508, 560, 562, 635, 889, 1016, 1120, 1124, 1270, 1405, 1778, 1967, 2032, 2248, 2540, 2810, 3556, 3934, 4064, 4445, 4496, 5080, 5620, 7112, 7868, 8890, 8992, 9835, 10160, 11240, 14224, 15736, 17780, 19670, 20320, 22480, 28448, 31472, 35560, 35687, 39340, 44960, 62944, 71120, 71374, 78680, 142240, 142748, 157360, 178435, 249809, 285496, 314720, 356870, 499618, 570992, 713740, 999236, 1141984, 1249045, 1427480, 1998472, 2498090, 2854960, 3996944, 4996180, 5709920, 7993888, 9992360, 19984720, 39969440]

約数ペア:

[(1, 39969440), (2, 19984720), (4, 9992360), (5, 7993888), (7, 5709920), (8, 4996180), (10, 3996944), (14, 2854960), (16, 2498090), (20, 1998472), (28, 1427480), (32, 1249045), (35, 1141984), (40, 999236), (56, 713740), (70, 570992), (80, 499618), (112, 356870), (127, 314720), (140, 285496), (160, 249809), (224, 178435), (254, 157360), (280, 142748), (281, 142240), (508, 78680), (560, 71374), (562, 71120), (635, 62944), (889, 44960), (1016, 39340), (1120, 35687), (1124, 35560), (1270, 31472), (1405, 28448), (1778, 22480), (1967, 20320), (2032, 19670), (2248, 17780), (2540, 15736), (2810, 14224), (3556, 11240), (3934, 10160), (4064, 9835), (4445, 8992), (4496, 8890), (5080, 7868), (5620, 7112)]