258662720

素因数分解:

$2^6\times 5^1\times {\mathrm{503}}^1\times {\mathrm{1607}}^1$

素因数の和:2127

約数の個数: 56

約数和(自身を含む): 617549184

約数和(自身を除く): 358886464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 503, 1006, 1607, 2012, 2515, 3214, 4024, 5030, 6428, 8035, 8048, 10060, 12856, 16070, 16096, 20120, 25712, 32140, 32192, 40240, 51424, 64280, 80480, 102848, 128560, 160960, 257120, 514240, 808321, 1616642, 3233284, 4041605, 6466568, 8083210, 12933136, 16166420, 25866272, 32332840, 51732544, 64665680, 129331360, 258662720]

約数ペア:

[(1, 258662720), (2, 129331360), (4, 64665680), (5, 51732544), (8, 32332840), (10, 25866272), (16, 16166420), (20, 12933136), (32, 8083210), (40, 6466568), (64, 4041605), (80, 3233284), (160, 1616642), (320, 808321), (503, 514240), (1006, 257120), (1607, 160960), (2012, 128560), (2515, 102848), (3214, 80480), (4024, 64280), (5030, 51424), (6428, 40240), (8035, 32192), (8048, 32140), (10060, 25712), (12856, 20120), (16070, 16096)]