65001020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{3389}}^1$

素因数の和:3542

約数の個数: 48

約数和(自身を含む): 157187520

約数和(自身を除く): 92186500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 274, 548, 685, 959, 1370, 1918, 2740, 3389, 3836, 4795, 6778, 9590, 13556, 16945, 19180, 23723, 33890, 47446, 67780, 94892, 118615, 237230, 464293, 474460, 928586, 1857172, 2321465, 3250051, 4642930, 6500102, 9285860, 13000204, 16250255, 32500510, 65001020]

約数ペア:

[(1, 65001020), (2, 32500510), (4, 16250255), (5, 13000204), (7, 9285860), (10, 6500102), (14, 4642930), (20, 3250051), (28, 2321465), (35, 1857172), (70, 928586), (137, 474460), (140, 464293), (274, 237230), (548, 118615), (685, 94892), (959, 67780), (1370, 47446), (1918, 33890), (2740, 23723), (3389, 19180), (3836, 16945), (4795, 13556), (6778, 9590)]