129332480

素因数分解:

$2^8\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1279}}^1$

素因数の和:1379

約数の個数: 72

約数和(自身を含む): 313958400

約数和(自身を除く): 184625920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 256, 316, 320, 395, 632, 640, 790, 1264, 1279, 1280, 1580, 2528, 2558, 3160, 5056, 5116, 6320, 6395, 10112, 10232, 12640, 12790, 20224, 20464, 25280, 25580, 40928, 50560, 51160, 81856, 101041, 101120, 102320, 163712, 202082, 204640, 327424, 404164, 409280, 505205, 808328, 818560, 1010410, 1616656, 1637120, 2020820, 3233312, 4041640, 6466624, 8083280, 12933248, 16166560, 25866496, 32333120, 64666240, 129332480]

約数ペア:

[(1, 129332480), (2, 64666240), (4, 32333120), (5, 25866496), (8, 16166560), (10, 12933248), (16, 8083280), (20, 6466624), (32, 4041640), (40, 3233312), (64, 2020820), (79, 1637120), (80, 1616656), (128, 1010410), (158, 818560), (160, 808328), (256, 505205), (316, 409280), (320, 404164), (395, 327424), (632, 204640), (640, 202082), (790, 163712), (1264, 102320), (1279, 101120), (1280, 101041), (1580, 81856), (2528, 51160), (2558, 50560), (3160, 40928), (5056, 25580), (5116, 25280), (6320, 20464), (6395, 20224), (10112, 12790), (10232, 12640)]