161870080

素因数分解:

$2^8\times 5^1\times {\mathrm{126461}}^1$

素因数の和:126482

約数の個数: 36

約数和(自身を含む): 387732492

約数和(自身を除く): 225862412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 126461, 252922, 505844, 632305, 1011688, 1264610, 2023376, 2529220, 4046752, 5058440, 8093504, 10116880, 16187008, 20233760, 32374016, 40467520, 80935040, 161870080]

約数ペア:

[(1, 161870080), (2, 80935040), (4, 40467520), (5, 32374016), (8, 20233760), (10, 16187008), (16, 10116880), (20, 8093504), (32, 5058440), (40, 4046752), (64, 2529220), (80, 2023376), (128, 1264610), (160, 1011688), (256, 632305), (320, 505844), (640, 252922), (1280, 126461)]