2080493560

素因数分解:

$2^3\times 5^1\times {\mathrm{2551}}^1\times {\mathrm{20389}}^1$

素因数の和:22951

約数の個数: 32

約数和(自身を含む): 4683175200

約数和(自身を除く): 2602681640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2551, 5102, 10204, 12755, 20389, 20408, 25510, 40778, 51020, 81556, 101945, 102040, 163112, 203890, 407780, 815560, 52012339, 104024678, 208049356, 260061695, 416098712, 520123390, 1040246780, 2080493560]

約数ペア:

[(1, 2080493560), (2, 1040246780), (4, 520123390), (5, 416098712), (8, 260061695), (10, 208049356), (20, 104024678), (40, 52012339), (2551, 815560), (5102, 407780), (10204, 203890), (12755, 163112), (20389, 102040), (20408, 101945), (25510, 81556), (40778, 51020)]