25687970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{457}}^1$

素因数の和:555

約数の個数: 64

約数和(自身を含む): 58565376

約数和(自身を除く): 32877406

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 73, 77, 110, 146, 154, 365, 385, 457, 511, 730, 770, 803, 914, 1022, 1606, 2285, 2555, 3199, 4015, 4570, 5027, 5110, 5621, 6398, 8030, 10054, 11242, 15995, 25135, 28105, 31990, 33361, 35189, 50270, 56210, 66722, 70378, 166805, 175945, 233527, 333610, 351890, 366971, 467054, 733942, 1167635, 1834855, 2335270, 2568797, 3669710, 5137594, 12843985, 25687970]

約数ペア:

[(1, 25687970), (2, 12843985), (5, 5137594), (7, 3669710), (10, 2568797), (11, 2335270), (14, 1834855), (22, 1167635), (35, 733942), (55, 467054), (70, 366971), (73, 351890), (77, 333610), (110, 233527), (146, 175945), (154, 166805), (365, 70378), (385, 66722), (457, 56210), (511, 50270), (730, 35189), (770, 33361), (803, 31990), (914, 28105), (1022, 25135), (1606, 15995), (2285, 11242), (2555, 10054), (3199, 8030), (4015, 6398), (4570, 5621), (5027, 5110)]