25986880

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^2\times {\mathrm{281}}^1$

素因数の和:332

約数の個数: 84

約数和(自身を含む): 65969388

約数和(自身を除く): 39982508

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 281, 289, 320, 340, 544, 562, 578, 680, 1088, 1124, 1156, 1360, 1405, 1445, 2248, 2312, 2720, 2810, 2890, 4496, 4624, 4777, 5440, 5620, 5780, 8992, 9248, 9554, 11240, 11560, 17984, 18496, 19108, 22480, 23120, 23885, 38216, 44960, 46240, 47770, 76432, 81209, 89920, 92480, 95540, 152864, 162418, 191080, 305728, 324836, 382160, 406045, 649672, 764320, 812090, 1299344, 1528640, 1624180, 2598688, 3248360, 5197376, 6496720, 12993440, 25986880]

約数ペア:

[(1, 25986880), (2, 12993440), (4, 6496720), (5, 5197376), (8, 3248360), (10, 2598688), (16, 1624180), (17, 1528640), (20, 1299344), (32, 812090), (34, 764320), (40, 649672), (64, 406045), (68, 382160), (80, 324836), (85, 305728), (136, 191080), (160, 162418), (170, 152864), (272, 95540), (281, 92480), (289, 89920), (320, 81209), (340, 76432), (544, 47770), (562, 46240), (578, 44960), (680, 38216), (1088, 23885), (1124, 23120), (1156, 22480), (1360, 19108), (1405, 18496), (1445, 17984), (2248, 11560), (2312, 11240), (2720, 9554), (2810, 9248), (2890, 8992), (4496, 5780), (4624, 5620), (4777, 5440)]