138254080

素因数分解:

$2^8\times 5^1\times {\mathrm{108011}}^1$

素因数の和:108032

約数の個数: 36

約数和(自身を含む): 331164792

約数和(自身を除く): 192910712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 108011, 216022, 432044, 540055, 864088, 1080110, 1728176, 2160220, 3456352, 4320440, 6912704, 8640880, 13825408, 17281760, 27650816, 34563520, 69127040, 138254080]

約数ペア:

[(1, 138254080), (2, 69127040), (4, 34563520), (5, 27650816), (8, 17281760), (10, 13825408), (16, 8640880), (20, 6912704), (32, 4320440), (40, 3456352), (64, 2160220), (80, 1728176), (128, 1080110), (160, 864088), (256, 540055), (320, 432044), (640, 216022), (1280, 108011)]