55681280

素因数分解:

$2^8\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1061}}^1$

素因数の和:1123

約数の個数: 72

約数和(自身を含む): 136755864

約数和(自身を除く): 81074584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 256, 320, 328, 410, 640, 656, 820, 1061, 1280, 1312, 1640, 2122, 2624, 3280, 4244, 5248, 5305, 6560, 8488, 10496, 10610, 13120, 16976, 21220, 26240, 33952, 42440, 43501, 52480, 67904, 84880, 87002, 135808, 169760, 174004, 217505, 271616, 339520, 348008, 435010, 679040, 696016, 870020, 1358080, 1392032, 1740040, 2784064, 3480080, 5568128, 6960160, 11136256, 13920320, 27840640, 55681280]

約数ペア:

[(1, 55681280), (2, 27840640), (4, 13920320), (5, 11136256), (8, 6960160), (10, 5568128), (16, 3480080), (20, 2784064), (32, 1740040), (40, 1392032), (41, 1358080), (64, 870020), (80, 696016), (82, 679040), (128, 435010), (160, 348008), (164, 339520), (205, 271616), (256, 217505), (320, 174004), (328, 169760), (410, 135808), (640, 87002), (656, 84880), (820, 67904), (1061, 52480), (1280, 43501), (1312, 42440), (1640, 33952), (2122, 26240), (2624, 21220), (3280, 16976), (4244, 13120), (5248, 10610), (5305, 10496), (6560, 8488)]