164018240

素因数分解:

$2^6\times 5^1\times {\mathrm{503}}^1\times {\mathrm{1019}}^1$

素因数の和:1539

約数の個数: 56

約数和(自身を含む): 391728960

約数和(自身を除く): 227710720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 503, 1006, 1019, 2012, 2038, 2515, 4024, 4076, 5030, 5095, 8048, 8152, 10060, 10190, 16096, 16304, 20120, 20380, 32192, 32608, 40240, 40760, 65216, 80480, 81520, 160960, 163040, 326080, 512557, 1025114, 2050228, 2562785, 4100456, 5125570, 8200912, 10251140, 16401824, 20502280, 32803648, 41004560, 82009120, 164018240]

約数ペア:

[(1, 164018240), (2, 82009120), (4, 41004560), (5, 32803648), (8, 20502280), (10, 16401824), (16, 10251140), (20, 8200912), (32, 5125570), (40, 4100456), (64, 2562785), (80, 2050228), (160, 1025114), (320, 512557), (503, 326080), (1006, 163040), (1019, 160960), (2012, 81520), (2038, 80480), (2515, 65216), (4024, 40760), (4076, 40240), (5030, 32608), (5095, 32192), (8048, 20380), (8152, 20120), (10060, 16304), (10190, 16096)]