257053120

素因数分解:

$2^6\times 5^1\times {\mathrm{503}}^1\times {\mathrm{1597}}^1$

素因数の和:2117

約数の個数: 56

約数和(自身を含む): 613708704

約数和(自身を除く): 356655584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 503, 1006, 1597, 2012, 2515, 3194, 4024, 5030, 6388, 7985, 8048, 10060, 12776, 15970, 16096, 20120, 25552, 31940, 32192, 40240, 51104, 63880, 80480, 102208, 127760, 160960, 255520, 511040, 803291, 1606582, 3213164, 4016455, 6426328, 8032910, 12852656, 16065820, 25705312, 32131640, 51410624, 64263280, 128526560, 257053120]

約数ペア:

[(1, 257053120), (2, 128526560), (4, 64263280), (5, 51410624), (8, 32131640), (10, 25705312), (16, 16065820), (20, 12852656), (32, 8032910), (40, 6426328), (64, 4016455), (80, 3213164), (160, 1606582), (320, 803291), (503, 511040), (1006, 255520), (1597, 160960), (2012, 127760), (2515, 102208), (3194, 80480), (4024, 63880), (5030, 51104), (6388, 40240), (7985, 32192), (8048, 31940), (10060, 25552), (12776, 20120), (15970, 16096)]