25640010

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:213

約数の個数: 128

約数和(自身を含む): 76204800

約数和(自身を除く): 50564790

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 89, 90, 97, 99, 110, 135, 165, 178, 194, 198, 267, 270, 291, 297, 330, 445, 485, 495, 534, 582, 594, 801, 873, 890, 970, 979, 990, 1067, 1335, 1455, 1485, 1602, 1746, 1958, 2134, 2403, 2619, 2670, 2910, 2937, 2970, 3201, 4005, 4365, 4806, 4895, 5238, 5335, 5874, 6402, 8010, 8633, 8730, 8811, 9603, 9790, 10670, 12015, 13095, 14685, 16005, 17266, 17622, 19206, 24030, 25899, 26190, 26433, 28809, 29370, 32010, 43165, 44055, 48015, 51798, 52866, 57618, 77697, 86330, 88110, 94963, 96030, 129495, 132165, 144045, 155394, 189926, 233091, 258990, 264330, 284889, 288090, 388485, 466182, 474815, 569778, 776970, 854667, 949630, 1165455, 1424445, 1709334, 2330910, 2564001, 2848890, 4273335, 5128002, 8546670, 12820005, 25640010]

約数ペア:

[(1, 25640010), (2, 12820005), (3, 8546670), (5, 5128002), (6, 4273335), (9, 2848890), (10, 2564001), (11, 2330910), (15, 1709334), (18, 1424445), (22, 1165455), (27, 949630), (30, 854667), (33, 776970), (45, 569778), (54, 474815), (55, 466182), (66, 388485), (89, 288090), (90, 284889), (97, 264330), (99, 258990), (110, 233091), (135, 189926), (165, 155394), (178, 144045), (194, 132165), (198, 129495), (267, 96030), (270, 94963), (291, 88110), (297, 86330), (330, 77697), (445, 57618), (485, 52866), (495, 51798), (534, 48015), (582, 44055), (594, 43165), (801, 32010), (873, 29370), (890, 28809), (970, 26433), (979, 26190), (990, 25899), (1067, 24030), (1335, 19206), (1455, 17622), (1485, 17266), (1602, 16005), (1746, 14685), (1958, 13095), (2134, 12015), (2403, 10670), (2619, 9790), (2670, 9603), (2910, 8811), (2937, 8730), (2970, 8633), (3201, 8010), (4005, 6402), (4365, 5874), (4806, 5335), (4895, 5238)]