98764520

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{7789}}^1$

素因数の和:8117

約数の個数: 32

約数和(自身を含む): 222949800

約数和(自身を除く): 124185280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1585, 2536, 3170, 6340, 7789, 12680, 15578, 31156, 38945, 62312, 77890, 155780, 311560, 2469113, 4938226, 9876452, 12345565, 19752904, 24691130, 49382260, 98764520]

約数ペア:

[(1, 98764520), (2, 49382260), (4, 24691130), (5, 19752904), (8, 12345565), (10, 9876452), (20, 4938226), (40, 2469113), (317, 311560), (634, 155780), (1268, 77890), (1585, 62312), (2536, 38945), (3170, 31156), (6340, 15578), (7789, 12680)]