7960720

素因数分解:

$2^4\times 5^1\times {\mathrm{151}}^1\times {\mathrm{659}}^1$

素因数の和:823

約数の個数: 40

約数和(自身を含む): 18659520

約数和(自身を除く): 10698800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 151, 302, 604, 659, 755, 1208, 1318, 1510, 2416, 2636, 3020, 3295, 5272, 6040, 6590, 10544, 12080, 13180, 26360, 52720, 99509, 199018, 398036, 497545, 796072, 995090, 1592144, 1990180, 3980360, 7960720]

約数ペア:

[(1, 7960720), (2, 3980360), (4, 1990180), (5, 1592144), (8, 995090), (10, 796072), (16, 497545), (20, 398036), (40, 199018), (80, 99509), (151, 52720), (302, 26360), (604, 13180), (659, 12080), (755, 10544), (1208, 6590), (1318, 6040), (1510, 5272), (2416, 3295), (2636, 3020)]