264289280

素因数分解:

$2^{10}\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1259}}^1$

素因数の和:1325

約数の個数: 88

約数和(自身を含む): 649963440

約数和(自身を除く): 385674160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 256, 320, 328, 410, 512, 640, 656, 820, 1024, 1259, 1280, 1312, 1640, 2518, 2560, 2624, 3280, 5036, 5120, 5248, 6295, 6560, 10072, 10496, 12590, 13120, 20144, 20992, 25180, 26240, 40288, 41984, 50360, 51619, 52480, 80576, 100720, 103238, 104960, 161152, 201440, 206476, 209920, 258095, 322304, 402880, 412952, 516190, 644608, 805760, 825904, 1032380, 1289216, 1611520, 1651808, 2064760, 3223040, 3303616, 4129520, 6446080, 6607232, 8259040, 13214464, 16518080, 26428928, 33036160, 52857856, 66072320, 132144640, 264289280]

約数ペア:

[(1, 264289280), (2, 132144640), (4, 66072320), (5, 52857856), (8, 33036160), (10, 26428928), (16, 16518080), (20, 13214464), (32, 8259040), (40, 6607232), (41, 6446080), (64, 4129520), (80, 3303616), (82, 3223040), (128, 2064760), (160, 1651808), (164, 1611520), (205, 1289216), (256, 1032380), (320, 825904), (328, 805760), (410, 644608), (512, 516190), (640, 412952), (656, 402880), (820, 322304), (1024, 258095), (1259, 209920), (1280, 206476), (1312, 201440), (1640, 161152), (2518, 104960), (2560, 103238), (2624, 100720), (3280, 80576), (5036, 52480), (5120, 51619), (5248, 50360), (6295, 41984), (6560, 40288), (10072, 26240), (10496, 25180), (12590, 20992), (13120, 20144)]