1300239616

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20563}}^1$

素因数の和:20611

約数の個数: 72

約数和(自身を含む): 2942297120

約数和(自身を除く): 1642057504

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 128, 152, 208, 247, 256, 304, 416, 494, 608, 832, 988, 1216, 1664, 1976, 2432, 3328, 3952, 4864, 7904, 15808, 20563, 31616, 41126, 63232, 82252, 164504, 267319, 329008, 390697, 534638, 658016, 781394, 1069276, 1316032, 1562788, 2138552, 2632064, 3125576, 4277104, 5079061, 5264128, 6251152, 8554208, 10158122, 12502304, 17108416, 20316244, 25004608, 34216832, 40632488, 50009216, 68433664, 81264976, 100018432, 162529952, 325059904, 650119808, 1300239616]

約数ペア:

[(1, 1300239616), (2, 650119808), (4, 325059904), (8, 162529952), (13, 100018432), (16, 81264976), (19, 68433664), (26, 50009216), (32, 40632488), (38, 34216832), (52, 25004608), (64, 20316244), (76, 17108416), (104, 12502304), (128, 10158122), (152, 8554208), (208, 6251152), (247, 5264128), (256, 5079061), (304, 4277104), (416, 3125576), (494, 2632064), (608, 2138552), (832, 1562788), (988, 1316032), (1216, 1069276), (1664, 781394), (1976, 658016), (2432, 534638), (3328, 390697), (3952, 329008), (4864, 267319), (7904, 164504), (15808, 82252), (20563, 63232), (31616, 41126)]