258519040

素因数分解:

$2^{12}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{971}}^1$

素因数の和:1013

約数の個数: 104

約数和(自身を含む): 668778768

約数和(自身を除く): 410259728

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 640, 832, 971, 1024, 1040, 1280, 1664, 1942, 2048, 2080, 2560, 3328, 3884, 4096, 4160, 4855, 5120, 6656, 7768, 8320, 9710, 10240, 12623, 13312, 15536, 16640, 19420, 20480, 25246, 26624, 31072, 33280, 38840, 50492, 53248, 62144, 63115, 66560, 77680, 100984, 124288, 126230, 133120, 155360, 201968, 248576, 252460, 266240, 310720, 403936, 497152, 504920, 621440, 807872, 994304, 1009840, 1242880, 1615744, 1988608, 2019680, 2485760, 3231488, 3977216, 4039360, 4971520, 6462976, 8078720, 9943040, 12925952, 16157440, 19886080, 25851904, 32314880, 51703808, 64629760, 129259520, 258519040]

約数ペア:

[(1, 258519040), (2, 129259520), (4, 64629760), (5, 51703808), (8, 32314880), (10, 25851904), (13, 19886080), (16, 16157440), (20, 12925952), (26, 9943040), (32, 8078720), (40, 6462976), (52, 4971520), (64, 4039360), (65, 3977216), (80, 3231488), (104, 2485760), (128, 2019680), (130, 1988608), (160, 1615744), (208, 1242880), (256, 1009840), (260, 994304), (320, 807872), (416, 621440), (512, 504920), (520, 497152), (640, 403936), (832, 310720), (971, 266240), (1024, 252460), (1040, 248576), (1280, 201968), (1664, 155360), (1942, 133120), (2048, 126230), (2080, 124288), (2560, 100984), (3328, 77680), (3884, 66560), (4096, 63115), (4160, 62144), (4855, 53248), (5120, 50492), (6656, 38840), (7768, 33280), (8320, 31072), (9710, 26624), (10240, 25246), (12623, 20480), (13312, 19420), (15536, 16640)]