2017856840

素因数分解:

$2^3\times 5^1\times {\mathrm{1619}}^1\times {\mathrm{31159}}^1$

素因数の和:32789

約数の個数: 32

約数和(自身を含む): 4543128000

約数和(自身を除く): 2525271160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1619, 3238, 6476, 8095, 12952, 16190, 31159, 32380, 62318, 64760, 124636, 155795, 249272, 311590, 623180, 1246360, 50446421, 100892842, 201785684, 252232105, 403571368, 504464210, 1008928420, 2017856840]

約数ペア:

[(1, 2017856840), (2, 1008928420), (4, 504464210), (5, 403571368), (8, 252232105), (10, 201785684), (20, 100892842), (40, 50446421), (1619, 1246360), (3238, 623180), (6476, 311590), (8095, 249272), (12952, 155795), (16190, 124636), (31159, 64760), (32380, 62318)]