39744640

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1$

素因数の和:330

約数の個数: 128

約数和(自身を含む): 108727920

約数和(自身を除く): 68983280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 64, 65, 68, 80, 85, 104, 128, 130, 136, 160, 170, 208, 221, 260, 272, 281, 320, 340, 416, 442, 520, 544, 562, 640, 680, 832, 884, 1040, 1088, 1105, 1124, 1360, 1405, 1664, 1768, 2080, 2176, 2210, 2248, 2720, 2810, 3536, 3653, 4160, 4420, 4496, 4777, 5440, 5620, 7072, 7306, 8320, 8840, 8992, 9554, 10880, 11240, 14144, 14612, 17680, 17984, 18265, 19108, 22480, 23885, 28288, 29224, 35360, 35968, 36530, 38216, 44960, 47770, 58448, 62101, 70720, 73060, 76432, 89920, 95540, 116896, 124202, 141440, 146120, 152864, 179840, 191080, 233792, 248404, 292240, 305728, 310505, 382160, 467584, 496808, 584480, 611456, 621010, 764320, 993616, 1168960, 1242020, 1528640, 1987232, 2337920, 2484040, 3057280, 3974464, 4968080, 7948928, 9936160, 19872320, 39744640]

約数ペア:

[(1, 39744640), (2, 19872320), (4, 9936160), (5, 7948928), (8, 4968080), (10, 3974464), (13, 3057280), (16, 2484040), (17, 2337920), (20, 1987232), (26, 1528640), (32, 1242020), (34, 1168960), (40, 993616), (52, 764320), (64, 621010), (65, 611456), (68, 584480), (80, 496808), (85, 467584), (104, 382160), (128, 310505), (130, 305728), (136, 292240), (160, 248404), (170, 233792), (208, 191080), (221, 179840), (260, 152864), (272, 146120), (281, 141440), (320, 124202), (340, 116896), (416, 95540), (442, 89920), (520, 76432), (544, 73060), (562, 70720), (640, 62101), (680, 58448), (832, 47770), (884, 44960), (1040, 38216), (1088, 36530), (1105, 35968), (1124, 35360), (1360, 29224), (1405, 28288), (1664, 23885), (1768, 22480), (2080, 19108), (2176, 18265), (2210, 17984), (2248, 17680), (2720, 14612), (2810, 14144), (3536, 11240), (3653, 10880), (4160, 9554), (4420, 8992), (4496, 8840), (4777, 8320), (5440, 7306), (5620, 7072)]