2016115720

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{125693}}^1$

素因数の和:126105

約数の個数: 32

約数和(自身を含む): 4547608920

約数和(自身を除く): 2531493200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 3208, 4010, 8020, 16040, 125693, 251386, 502772, 628465, 1005544, 1256930, 2513860, 5027720, 50402893, 100805786, 201611572, 252014465, 403223144, 504028930, 1008057860, 2016115720]

約数ペア:

[(1, 2016115720), (2, 1008057860), (4, 504028930), (5, 403223144), (8, 252014465), (10, 201611572), (20, 100805786), (40, 50402893), (401, 5027720), (802, 2513860), (1604, 1256930), (2005, 1005544), (3208, 628465), (4010, 502772), (8020, 251386), (16040, 125693)]