2561842945

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1\times {\mathrm{859}}^1$

素因数の和:1237

約数の個数: 32

約数和(自身を含む): 3233710080

約数和(自身を除く): 671867135

約数列:

[1, 5, 31, 71, 155, 271, 355, 859, 1355, 2201, 4295, 8401, 11005, 19241, 26629, 42005, 60989, 96205, 133145, 232789, 304945, 596471, 1163945, 1890659, 2982355, 7216459, 9453295, 16528019, 36082295, 82640095, 512368589, 2561842945]

約数ペア:

[(1, 2561842945), (5, 512368589), (31, 82640095), (71, 36082295), (155, 16528019), (271, 9453295), (355, 7216459), (859, 2982355), (1355, 1890659), (2201, 1163945), (4295, 596471), (8401, 304945), (11005, 232789), (19241, 133145), (26629, 96205), (42005, 60989)]