129038080

素因数分解:

$2^8\times 5^1\times {\mathrm{100811}}^1$

素因数の和:100832

約数の個数: 36

約数和(自身を含む): 309089592

約数和(自身を除く): 180051512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 100811, 201622, 403244, 504055, 806488, 1008110, 1612976, 2016220, 3225952, 4032440, 6451904, 8064880, 12903808, 16129760, 25807616, 32259520, 64519040, 129038080]

約数ペア:

[(1, 129038080), (2, 64519040), (4, 32259520), (5, 25807616), (8, 16129760), (10, 12903808), (16, 8064880), (20, 6451904), (32, 4032440), (40, 3225952), (64, 2016220), (80, 1612976), (128, 1008110), (160, 806488), (256, 504055), (320, 403244), (640, 201622), (1280, 100811)]