25560710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:261

約数の個数: 64

約数和(自身を含む): 55157760

約数和(自身を除く): 29597050

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 71, 74, 139, 142, 185, 259, 278, 355, 370, 497, 518, 695, 710, 973, 994, 1295, 1390, 1946, 2485, 2590, 2627, 4865, 4970, 5143, 5254, 9730, 9869, 10286, 13135, 18389, 19738, 25715, 26270, 36001, 36778, 49345, 51430, 69083, 72002, 91945, 98690, 138166, 180005, 183890, 345415, 360010, 365153, 690830, 730306, 1825765, 2556071, 3651530, 5112142, 12780355, 25560710]

約数ペア:

[(1, 25560710), (2, 12780355), (5, 5112142), (7, 3651530), (10, 2556071), (14, 1825765), (35, 730306), (37, 690830), (70, 365153), (71, 360010), (74, 345415), (139, 183890), (142, 180005), (185, 138166), (259, 98690), (278, 91945), (355, 72002), (370, 69083), (497, 51430), (518, 49345), (695, 36778), (710, 36001), (973, 26270), (994, 25715), (1295, 19738), (1390, 18389), (1946, 13135), (2485, 10286), (2590, 9869), (2627, 9730), (4865, 5254), (4970, 5143)]